122512432 has 40 divisors (see below), whose sum is σ = 273839616. Its totient is φ = 52009536.

The previous prime is 122512373. The next prime is 122512441. The reversal of 122512432 is 234215221.

It is a happy 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, 6873 + ... + 17095.

Almost surely, 2^122512432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122512432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136919808).

122512432 is an abundant number, since it is smaller than the sum of its proper divisors (151327184).

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

122512432 is a wasteful number, since it uses less digits than its factorization.

122512432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345 (or 10339 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 122512432 is about 11068.5334168534. The cubic root of 122512432 is about 496.6609943849.

Adding to 122512432 its reverse (234215221), we get a palindrome (356727653).

The spelling of 122512432 in words is "one hundred twenty-two million, five hundred twelve thousand, four hundred thirty-two".