122189432 has 32 divisors (see below), whose sum is σ = 239690880. Its totient is φ = 58285920.

The previous prime is 122189401. The next prime is 122189449. The reversal of 122189432 is 234981221.

It is a congruent number.

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, 104483 + ... + 105645.

It is an arithmetic number, because the mean of its divisors is an integer number (7490340).

Almost surely, 2^122189432 is an apocalyptic number.

It is an amenable number.

122189432 is a deficient number, since it is larger than the sum of its proper divisors (117501448).

122189432 is a wasteful number, since it uses less digits than its factorization.

122189432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1759 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 122189432 is about 11053.9328747736. The cubic root of 122189432 is about 496.2241334410.

The spelling of 122189432 in words is "one hundred twenty-two million, one hundred eighty-nine thousand, four hundred thirty-two".