1057149601 has 4 divisors (see below), whose sum is σ = 1072039104. Its totient is φ = 1042260100.

The previous prime is 1057149593. The next prime is 1057149623. The reversal of 1057149601 is 1069417501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1057149601 - 2³ = 1057149593 is a prime.

It is a super-2 number, since 2×1057149601² = 2235130557788918402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057149671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7444645 + ... + 7444786.

It is an arithmetic number, because the mean of its divisors is an integer number (268009776).

Almost surely, 2^1057149601 is an apocalyptic number.

It is an amenable number.

1057149601 is a deficient number, since it is larger than the sum of its proper divisors (14889503).

1057149601 is an equidigital number, since it uses as much as digits as its factorization.

1057149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14889502.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1057149601 is about 32513.8370697769. The cubic root of 1057149601 is about 1018.6980701145.

The spelling of 1057149601 in words is "one billion, fifty-seven million, one hundred forty-nine thousand, six hundred one".