1255057772 has 24 divisors (see below), whose sum is σ = 2213514240. Its totient is φ = 622639440.

The previous prime is 1255057763. The next prime is 1255057789. The reversal of 1255057772 is 2777505521.

It is a super-2 number, since 2×1255057772² = 3150340022115207968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460229 + ... + 462947.

It is an arithmetic number, because the mean of its divisors is an integer number (92229760).

Almost surely, 2^1255057772 is an apocalyptic number.

It is an amenable number.

1255057772 is a deficient number, since it is larger than the sum of its proper divisors (958456468).

1255057772 is a wasteful number, since it uses less digits than its factorization.

1255057772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 41.

The square root of 1255057772 is about 35426.7945487593. The cubic root of 1255057772 is about 1078.6682751058.

The spelling of 1255057772 in words is "one billion, two hundred fifty-five million, fifty-seven thousand, seven hundred seventy-two".