1056323051 has 4 divisors (see below), whose sum is σ = 1207226352. Its totient is φ = 905419752.

The previous prime is 1056322997. The next prime is 1056323063. The reversal of 1056323051 is 1503236501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1503236501 = 13 ⋅115633577.

It is a cyclic number.

It is not a de Polignac number, because 1056323051 - 2⁶ = 1056322987 is a prime.

It is a super-2 number, since 2×1056323051² = 2231636776147897202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056323051.

It is not an unprimeable number, because it can be changed into a prime (1056323071) 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, 75451640 + ... + 75451653.

It is an arithmetic number, because the mean of its divisors is an integer number (301806588).

Almost surely, 2^1056323051 is an apocalyptic number.

1056323051 is a deficient number, since it is larger than the sum of its proper divisors (150903301).

1056323051 is an equidigital number, since it uses as much as digits as its factorization.

1056323051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150903300.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1056323051 is about 32501.1238421074. The cubic root of 1056323051 is about 1018.4325055467.

Adding to 1056323051 its reverse (1503236501), we get a palindrome (2559559552).

The spelling of 1056323051 in words is "one billion, fifty-six million, three hundred twenty-three thousand, fifty-one".