1056634992 has 120 divisors (see below), whose sum is σ = 3557490560. Its totient is φ = 286001280.

The previous prime is 1056634979. The next prime is 1056635003. The reversal of 1056634992 is 2994366501.

1056634992 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 634 + 9 + 9 + 2 = 666.

It is a super-2 number, since 2×1056634992² = 2232955012637680128, 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8434 + ... + 46737.

Almost surely, 2^1056634992 is an apocalyptic number.

1056634992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056634992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778745280).

1056634992 is an abundant number, since it is smaller than the sum of its proper divisors (2500855568).

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

1056634992 is a wasteful number, since it uses less digits than its factorization.

1056634992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55211 (or 55202 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 1056634992 is about 32505.9224142309. The cubic root of 1056634992 is about 1018.5327462155.

The spelling of 1056634992 in words is "one billion, fifty-six million, six hundred thirty-four thousand, nine hundred ninety-two".