122189736 has 64 divisors (see below), whose sum is σ = 313286400. Its totient is φ = 39702528.

The previous prime is 122189713. The next prime is 122189737. The reversal of 122189736 is 637981221.

It is a junction number, because it is equal to n+sod(n) for n = 122189694 and 122189703.

It is not an unprimeable number, because it can be changed into a prime (122189737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169585 + ... + 170303.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2^122189736 is an apocalyptic number.

It is an amenable number.

122189736 is an abundant number, since it is smaller than the sum of its proper divisors (191096664).

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

122189736 is a wasteful number, since it uses less digits than its factorization.

122189736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 894 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 122189736 is about 11053.9466255270. The cubic root of 122189736 is about 496.2245449660.

The spelling of 122189736 in words is "one hundred twenty-two million, one hundred eighty-nine thousand, seven hundred thirty-six".