1056574729 has 4 divisors (see below), whose sum is σ = 1207513984. Its totient is φ = 905635476.

The previous prime is 1056574709. The next prime is 1056574741. The reversal of 1056574729 is 9274756501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9274756501 = 19 ⋅488145079.

It is a cyclic number.

It is not a de Polignac number, because 1056574729 - 2⁵ = 1056574697 is a prime.

It is a super-2 number, since 2×1056574729² = 2232700315922846882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056574709) 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, 75469617 + ... + 75469630.

It is an arithmetic number, because the mean of its divisors is an integer number (301878496).

Almost surely, 2^1056574729 is an apocalyptic number.

It is an amenable number.

1056574729 is a deficient number, since it is larger than the sum of its proper divisors (150939255).

1056574729 is an equidigital number, since it uses as much as digits as its factorization.

1056574729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150939254.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 1056574729 is about 32504.9954468540. The cubic root of 1056574729 is about 1018.5133825417.

The spelling of 1056574729 in words is "one billion, fifty-six million, five hundred seventy-four thousand, seven hundred twenty-nine".