1055256427 has 4 divisors (see below), whose sum is σ = 1055477160. Its totient is φ = 1055035696.

The previous prime is 1055256329. The next prime is 1055256431. The reversal of 1055256427 is 7246525501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055256427 is a prime.

It is a super-2 number, since 2×1055256427² = 2227132253449612658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055256127) 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, 103033 + ... + 112810.

It is an arithmetic number, because the mean of its divisors is an integer number (263869290).

Almost surely, 2^1055256427 is an apocalyptic number.

1055256427 is a deficient number, since it is larger than the sum of its proper divisors (220733).

1055256427 is an equidigital number, since it uses as much as digits as its factorization.

1055256427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220732.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 1055256427 is about 32484.7106651729. The cubic root of 1055256427 is about 1018.0896021193.

The spelling of 1055256427 in words is "one billion, fifty-five million, two hundred fifty-six thousand, four hundred twenty-seven".