123839122 has 16 divisors (see below), whose sum is σ = 202953600. Its totient is φ = 56205040.

The previous prime is 123839119. The next prime is 123839129. The reversal of 123839122 is 221938321.

It is a super-2 number, since 2×123839122² = 30672256275461768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123839129) 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, 11904 + ... + 19732.

It is an arithmetic number, because the mean of its divisors is an integer number (12684600).

Almost surely, 2^123839122 is an apocalyptic number.

123839122 is a deficient number, since it is larger than the sum of its proper divisors (79114478).

123839122 is a wasteful number, since it uses less digits than its factorization.

123839122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561.

The product of its digits is 5184, while the sum is 31.

The square root of 123839122 is about 11128.3027457021. The cubic root of 123839122 is about 498.4473461897.

The spelling of 123839122 in words is "one hundred twenty-three million, eight hundred thirty-nine thousand, one hundred twenty-two".