121432304 has 20 divisors (see below), whose sum is σ = 268886064. Its totient is φ = 52042368.

The previous prime is 121432291. The next prime is 121432321. The reversal of 121432304 is 403234121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541997 + ... + 542220.

Almost surely, 2^121432304 is an apocalyptic number.

121432304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121432304 is an abundant number, since it is smaller than the sum of its proper divisors (147453760).

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

121432304 is a wasteful number, since it uses less digits than its factorization.

121432304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084232 (or 1084226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121432304 is about 11019.6326617542. The cubic root of 121432304 is about 495.1970837153.

Adding to 121432304 its reverse (403234121), we get a palindrome (524666425).

The spelling of 121432304 in words is "one hundred twenty-one million, four hundred thirty-two thousand, three hundred four".