1270817016 has 64 divisors (see below), whose sum is σ = 3645492480. Its totient is φ = 361632000.

The previous prime is 1270817003. The next prime is 1270817039. The reversal of 1270817016 is 6107180721.

It is a super-2 number, since 2×1270817016² = 3229951776310288512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27100 + ... + 57236.

It is an arithmetic number, because the mean of its divisors is an integer number (56960820).

Almost surely, 2^1270817016 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 1270817016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822746240).

1270817016 is an abundant number, since it is smaller than the sum of its proper divisors (2374675464).

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

1270817016 is a wasteful number, since it uses less digits than its factorization.

1270817016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30404 (or 30400 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 1270817016 is about 35648.5205303109. The cubic root of 1270817016 is about 1083.1643069046.

Adding to 1270817016 its reverse (6107180721), we get a palindrome (7377997737).

The spelling of 1270817016 in words is "one billion, two hundred seventy million, eight hundred seventeen thousand, sixteen".