121124432 has 80 divisors (see below), whose sum is σ = 278232192. Its totient is φ = 50357760.

The previous prime is 121124363. The next prime is 121124441. The reversal of 121124432 is 234421121.

It is a super-2 number, since 2×121124432² = 29342256054645248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381938 + ... + 382254.

Almost surely, 2^121124432 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 121124432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139116096).

121124432 is an abundant number, since it is smaller than the sum of its proper divisors (157107760).

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

121124432 is a wasteful number, since it uses less digits than its factorization.

121124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 121124432 is about 11005.6545466410. The cubic root of 121124432 is about 494.7782321221.

Adding to 121124432 its reverse (234421121), we get a palindrome (355545553).

The spelling of 121124432 in words is "one hundred twenty-one million, one hundred twenty-four thousand, four hundred thirty-two".