1057630371 has 16 divisors (see below), whose sum is σ = 1615847424. Its totient is φ = 602777664.

The previous prime is 1057630369. The next prime is 1057630373. The reversal of 1057630371 is 1730367501.

It is an interprime number because it is at equal distance from previous prime (1057630369) and next prime (1057630373).

It is not a de Polignac number, because 1057630371 - 2¹ = 1057630369 is a prime.

It is a super-2 number, since 2×1057630371² = 2237164003323195282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057630373) 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, 57706 + ... + 73791.

It is an arithmetic number, because the mean of its divisors is an integer number (100990464).

Almost surely, 2^1057630371 is an apocalyptic number.

1057630371 is a deficient number, since it is larger than the sum of its proper divisors (558217053).

1057630371 is a wasteful number, since it uses less digits than its factorization.

1057630371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131890.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 1057630371 is about 32521.2295431769. The cubic root of 1057630371 is about 1018.8524743871.

Adding to 1057630371 its reverse (1730367501), we get a palindrome (2787997872).

The spelling of 1057630371 in words is "one billion, fifty-seven million, six hundred thirty thousand, three hundred seventy-one".