107172057 has 4 divisors (see below), whose sum is σ = 142896080. Its totient is φ = 71448036.

The previous prime is 107172041. The next prime is 107172067. The reversal of 107172057 is 750271701.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750271701 = 3 ⋅250090567.

It is not a de Polignac number, because 107172057 - 2⁴ = 107172041 is a prime.

It is a super-2 number, since 2×107172057² = 22971699603222498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107172067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17862007 + ... + 17862012.

It is an arithmetic number, because the mean of its divisors is an integer number (35724020).

Almost surely, 2^107172057 is an apocalyptic number.

It is an amenable number.

107172057 is a deficient number, since it is larger than the sum of its proper divisors (35724023).

107172057 is an equidigital number, since it uses as much as digits as its factorization.

107172057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35724022.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 107172057 is about 10352.3937811503. The cubic root of 107172057 is about 475.0002688826. Note that the first 3 decimals are identical.

The spelling of 107172057 in words is "one hundred seven million, one hundred seventy-two thousand, fifty-seven".