626942121 has 8 divisors (see below), whose sum is σ = 900224640. Its totient is φ = 385810512.

The previous prime is 626942089. The next prime is 626942123. The reversal of 626942121 is 121249626.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 626942121 - 2⁵ = 626942089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626942123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037681 + ... + 8037758.

It is an arithmetic number, because the mean of its divisors is an integer number (112528080).

Almost surely, 2^626942121 is an apocalyptic number.

It is an amenable number.

626942121 is a deficient number, since it is larger than the sum of its proper divisors (273282519).

626942121 is a wasteful number, since it uses less digits than its factorization.

626942121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075455.

The product of its digits is 10368, while the sum is 33.

The square root of 626942121 is about 25038.8122921196. The cubic root of 626942121 is about 855.8726523403.

The spelling of 626942121 in words is "six hundred twenty-six million, nine hundred forty-two thousand, one hundred twenty-one".