123120104442 has 16 divisors (see below), whose sum is σ = 246406268640. Its totient is φ = 41012358192.

The previous prime is 123120104381. The next prime is 123120104453. The reversal of 123120104442 is 244401021321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6909517 + ... + 6927312.

It is an arithmetic number, because the mean of its divisors is an integer number (15400391790).

Almost surely, 2^123120104442 is an apocalyptic number.

123120104442 is an abundant number, since it is smaller than the sum of its proper divisors (123286164198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123120104442 is a wasteful number, since it uses less digits than its factorization.

123120104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838317.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 123120104442 its reverse (244401021321), we get a palindrome (367521125763).

The spelling of 123120104442 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred four thousand, four hundred forty-two".