1057007090 has 32 divisors (see below), whose sum is σ = 2022817536. Its totient is φ = 396784960.

The previous prime is 1057006949. The next prime is 1057007099. The reversal of 1057007090 is 907007501.

1057007090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057007090² = 2234527976620536200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1057007099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31166 + ... + 55545.

It is an arithmetic number, because the mean of its divisors is an integer number (63213048).

Almost surely, 2^1057007090 is an apocalyptic number.

1057007090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057007090 is a deficient number, since it is larger than the sum of its proper divisors (965810446).

1057007090 is a wasteful number, since it uses less digits than its factorization.

1057007090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86794.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 1057007090 is about 32511.6454520530. The cubic root of 1057007090 is about 1018.6522922338.

The spelling of 1057007090 in words is "one billion, fifty-seven million, seven thousand, ninety".