1252510056 has 192 divisors, whose sum is σ = 4003459200. Its totient is φ = 346374144.

The previous prime is 1252510031. The next prime is 1252510073. The reversal of 1252510056 is 6500152521.

It is a super-2 number, since 2×1252510056² = 3137562880762246272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2170440 + ... + 2171016.

It is an arithmetic number, because the mean of its divisors is an integer number (20851350).

Almost surely, 2^1252510056 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 1252510056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001729600).

1252510056 is an abundant number, since it is smaller than the sum of its proper divisors (2750949144).

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

1252510056 is a wasteful number, since it uses less digits than its factorization.

1252510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1252510056 is about 35390.8188094031. The cubic root of 1252510056 is about 1077.9378964938.

Adding to 1252510056 its reverse (6500152521), we get a palindrome (7752662577).

The spelling of 1252510056 in words is "one billion, two hundred fifty-two million, five hundred ten thousand, fifty-six".