1172057456 has 40 divisors (see below), whose sum is σ = 2299674240. Its totient is φ = 578631104.

The previous prime is 1172057443. The next prime is 1172057461. The reversal of 1172057456 is 6547502711.

It is a congruent number.

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, 613655 + ... + 615561.

It is an arithmetic number, because the mean of its divisors is an integer number (57491856).

Almost surely, 2^1172057456 is an apocalyptic number.

1172057456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1172057456 is a deficient number, since it is larger than the sum of its proper divisors (1127616784).

1172057456 is a wasteful number, since it uses less digits than its factorization.

1172057456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1172057456 is about 34235.3246808030. The cubic root of 1172057456 is about 1054.3455450012.

The spelling of 1172057456 in words is "one billion, one hundred seventy-two million, fifty-seven thousand, four hundred fifty-six".