1056994772 has 12 divisors (see below), whose sum is σ = 1852235616. Its totient is φ = 527784600.

The previous prime is 1056994769. The next prime is 1056994777. The reversal of 1056994772 is 2774996501.

1056994772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1056994772² = 2234475896070663968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056994772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056994777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174854 + ... + 180797.

It is an arithmetic number, because the mean of its divisors is an integer number (154352968).

Almost surely, 2^1056994772 is an apocalyptic number.

It is an amenable number.

1056994772 is a deficient number, since it is larger than the sum of its proper divisors (795240844).

1056994772 is a wasteful number, since it uses less digits than its factorization.

1056994772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356398 (or 356396 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 1056994772 is about 32511.4560116892. The cubic root of 1056994772 is about 1018.6483352097.

The spelling of 1056994772 in words is "one billion, fifty-six million, nine hundred ninety-four thousand, seven hundred seventy-two".