1260002016 has 288 divisors, whose sum is σ = 4455779328. Its totient is φ = 328872960.

The previous prime is 1260002011. The next prime is 1260002021. The reversal of 1260002016 is 6102000621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1260002011) and next prime (1260002021).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1260002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3433065 + ... + 3433431.

It is an arithmetic number, because the mean of its divisors is an integer number (15471456).

Almost surely, 2^1260002016 is an apocalyptic number.

1260002016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260002016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227889664).

1260002016 is an abundant number, since it is smaller than the sum of its proper divisors (3195777312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260002016 is a wasteful number, since it uses less digits than its factorization.

1260002016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1260002016 is about 35496.5070957693. The cubic root of 1260002016 is about 1080.0828742989.

Adding to 1260002016 its reverse (6102000621), we get a palindrome (7362002637).

The spelling of 1260002016 in words is "one billion, two hundred sixty million, two thousand, sixteen".