1056465271 has 8 divisors (see below), whose sum is σ = 1091147760. Its totient is φ = 1022329152.

The previous prime is 1056465253. The next prime is 1056465281. The reversal of 1056465271 is 1725646501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056465271 - 2⁷ = 1056465143 is a prime.

It is a super-2 number, since 2×1056465271² = 2232237737658206882, 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 1056465271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056465211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132661 + ... + 140398.

It is an arithmetic number, because the mean of its divisors is an integer number (136393470).

Almost surely, 2^1056465271 is an apocalyptic number.

1056465271 is a deficient number, since it is larger than the sum of its proper divisors (34682489).

1056465271 is an equidigital number, since it uses as much as digits as its factorization.

1056465271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273185.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1056465271 is about 32503.3116928106. The cubic root of 1056465271 is about 1018.4782096745.

The spelling of 1056465271 in words is "one billion, fifty-six million, four hundred sixty-five thousand, two hundred seventy-one".