1056912001 has 4 divisors (see below), whose sum is σ = 1057023792. Its totient is φ = 1056800212.

The previous prime is 1056911987. The next prime is 1056912011. The reversal of 1056912001 is 1002196501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056912001 is a prime.

It is a super-2 number, since 2×1056912001² = 2234125955715648002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056912011) 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, 40255 + ... + 61108.

It is an arithmetic number, because the mean of its divisors is an integer number (264255948).

Almost surely, 2^1056912001 is an apocalyptic number.

It is an amenable number.

1056912001 is a deficient number, since it is larger than the sum of its proper divisors (111791).

1056912001 is a wasteful number, since it uses less digits than its factorization.

1056912001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111790.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1056912001 is about 32510.1830354737. The cubic root of 1056912001 is about 1018.6217451248.

The spelling of 1056912001 in words is "one billion, fifty-six million, nine hundred twelve thousand, one".