1056144259 has 2 divisors, whose sum is σ = 1056144260. Its totient is φ = 1056144258.

The previous prime is 1056144251. The next prime is 1056144263. The reversal of 1056144259 is 9524416501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056144259 - 2³ = 1056144251 is a prime.

It is a super-2 number, since 2×1056144259² = 2230881391637318162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056144251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528072129 + 528072130.

It is an arithmetic number, because the mean of its divisors is an integer number (528072130).

Almost surely, 2^1056144259 is an apocalyptic number.

1056144259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056144259 is an equidigital number, since it uses as much as digits as its factorization.

1056144259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1056144259 is about 32498.3731746683. The cubic root of 1056144259 is about 1018.3750427410.

The spelling of 1056144259 in words is "one billion, fifty-six million, one hundred forty-four thousand, two hundred fifty-nine".