126118857 has 16 divisors (see below), whose sum is σ = 171213120. Its totient is φ = 82560192.

The previous prime is 126118849. The next prime is 126118859. The reversal of 126118857 is 758811621.

It is not a de Polignac number, because 126118857 - 2³ = 126118849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126118859) 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, 77383 + ... + 78995.

It is an arithmetic number, because the mean of its divisors is an integer number (10700820).

Almost surely, 2^126118857 is an apocalyptic number.

It is an amenable number.

126118857 is a deficient number, since it is larger than the sum of its proper divisors (45094263).

126118857 is a wasteful number, since it uses less digits than its factorization.

126118857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 26880, while the sum is 39.

The square root of 126118857 is about 11230.2652239384. The cubic root of 126118857 is about 501.4873803454.

The spelling of 126118857 in words is "one hundred twenty-six million, one hundred eighteen thousand, eight hundred fifty-seven".