1056857270 has 64 divisors (see below), whose sum is σ = 2305069056. Its totient is φ = 341159040.

The previous prime is 1056857267. The next prime is 1056857299. The reversal of 1056857270 is 727586501.

It is a super-2 number, since 2×1056857270² = 2233894578303705800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73709 + ... + 86871.

It is an arithmetic number, because the mean of its divisors is an integer number (36016704).

Almost surely, 2^1056857270 is an apocalyptic number.

1056857270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056857270 is an abundant number, since it is smaller than the sum of its proper divisors (1248211786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056857270 is a wasteful number, since it uses less digits than its factorization.

1056857270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13245.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 1056857270 is about 32509.3412729326. The cubic root of 1056857270 is about 1018.6041620939.

The spelling of 1056857270 in words is "one billion, fifty-six million, eight hundred fifty-seven thousand, two hundred seventy".