122615042 has 16 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 55524240.

The previous prime is 122615041. The next prime is 122615069. The reversal of 122615042 is 240516221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122614999 and 122615017.

It is not an unprimeable number, because it can be changed into a prime (122615041) 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, 4442 + ... + 16277.

It is an arithmetic number, because the mean of its divisors is an integer number (12587400).

Almost surely, 2^122615042 is an apocalyptic number.

122615042 is a deficient number, since it is larger than the sum of its proper divisors (78783358).

122615042 is a wasteful number, since it uses less digits than its factorization.

122615042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 122615042 is about 11073.1676588048. The cubic root of 122615042 is about 496.7996147753.

The spelling of 122615042 in words is "one hundred twenty-two million, six hundred fifteen thousand, forty-two".