1056951720 has 128 divisors (see below), whose sum is σ = 3843504000. Its totient is φ = 256227840.

The previous prime is 1056951667. The next prime is 1056951773. The reversal of 1056951720 is 271596501.

It is an interprime number because it is at equal distance from previous prime (1056951667) and next prime (1056951773).

It is a super-2 number, since 2×1056951720² = 2234293876821916800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32605 + ... + 56364.

It is an arithmetic number, because the mean of its divisors is an integer number (30027375).

Almost surely, 2^1056951720 is an apocalyptic number.

1056951720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056951720 is an abundant number, since it is smaller than the sum of its proper divisors (2786552280).

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

1056951720 is a wasteful number, since it uses less digits than its factorization.

1056951720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89000 (or 88990 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1056951720 is about 32510.7938998727. The cubic root of 1056951720 is about 1018.6345049793.

The spelling of 1056951720 in words is "one billion, fifty-six million, nine hundred fifty-one thousand, seven hundred twenty".