1253012064 has 96 divisors (see below), whose sum is σ = 3595124736. Its totient is φ = 380405760.

The previous prime is 1253012063. The next prime is 1253012069. The reversal of 1253012064 is 4602103521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253012063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38209 + ... + 62975.

It is an arithmetic number, because the mean of its divisors is an integer number (37449216).

Almost surely, 2^1253012064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253012064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797562368).

1253012064 is an abundant number, since it is smaller than the sum of its proper divisors (2342112672).

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

1253012064 is a wasteful number, since it uses less digits than its factorization.

1253012064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828 (or 24820 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1253012064 is about 35397.9104468046. The cubic root of 1253012064 is about 1078.0818903258.

Adding to 1253012064 its reverse (4602103521), we get a palindrome (5855115585).

The spelling of 1253012064 in words is "one billion, two hundred fifty-three million, twelve thousand, sixty-four".