1056870145 has 8 divisors (see below), whose sum is σ = 1286107200. Its totient is φ = 833587440.

The previous prime is 1056870121. The next prime is 1056870151. The reversal of 1056870145 is 5410786501.

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

It is not a de Polignac number, because 1056870145 - 2¹⁵ = 1056837377 is a prime.

It is a super-2 number, since 2×1056870145² = 2233949006784642050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488195 + ... + 1488904.

It is an arithmetic number, because the mean of its divisors is an integer number (160763400).

Almost surely, 2^1056870145 is an apocalyptic number.

It is an amenable number.

1056870145 is a deficient number, since it is larger than the sum of its proper divisors (229237055).

1056870145 is an equidigital number, since it uses as much as digits as its factorization.

1056870145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977175.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 1056870145 is about 32509.5392923369. The cubic root of 1056870145 is about 1018.6082984062.

The spelling of 1056870145 in words is "one billion, fifty-six million, eight hundred seventy thousand, one hundred forty-five".