121323408 has 40 divisors (see below), whose sum is σ = 313813248. Its totient is φ = 40390272.

The previous prime is 121323383. The next prime is 121323409. The reversal of 121323408 is 804323121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121323409) 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, 74410 + ... + 76022.

Almost surely, 2^121323408 is an apocalyptic number.

It is an amenable number.

121323408 is an abundant number, since it is smaller than the sum of its proper divisors (192489840).

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

121323408 is a wasteful number, since it uses less digits than its factorization.

121323408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 121323408 is about 11014.6905539829. The cubic root of 121323408 is about 495.0490146342.

Adding to 121323408 its reverse (804323121), we get a palindrome (925646529).

The spelling of 121323408 in words is "one hundred twenty-one million, three hundred twenty-three thousand, four hundred eight".