122153442 has 16 divisors (see below), whose sum is σ = 244752192. Its totient is φ = 40643600.

The previous prime is 122153429. The next prime is 122153443. The reversal of 122153442 is 244351221.

It is not an unprimeable number, because it can be changed into a prime (122153443) 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, 14934 + ... + 21617.

It is an arithmetic number, because the mean of its divisors is an integer number (15297012).

Almost surely, 2^122153442 is an apocalyptic number.

122153442 is an abundant number, since it is smaller than the sum of its proper divisors (122598750).

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

122153442 is a wasteful number, since it uses less digits than its factorization.

122153442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37113.

The product of its digits is 1920, while the sum is 24.

The square root of 122153442 is about 11052.3048275009. The cubic root of 122153442 is about 496.1754089319.

The spelling of 122153442 in words is "one hundred twenty-two million, one hundred fifty-three thousand, four hundred forty-two".