121324404 has 24 divisors (see below), whose sum is σ = 287317408. Its totient is φ = 39837600.

The previous prime is 121324403. The next prime is 121324417. The reversal of 121324404 is 404423121.

It is a super-2 number, since 2×121324404² = 29439222011910432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121324403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74647 + ... + 76254.

Almost surely, 2^121324404 is an apocalyptic number.

It is an amenable number.

121324404 is an abundant number, since it is smaller than the sum of its proper divisors (165993004).

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

121324404 is a wasteful number, since it uses less digits than its factorization.

121324404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150975 (or 150973 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 121324404 is about 11014.7357662361. The cubic root of 121324404 is about 495.0503693260.

Adding to 121324404 its reverse (404423121), we get a palindrome (525747525).

The spelling of 121324404 in words is "one hundred twenty-one million, three hundred twenty-four thousand, four hundred four".