121412408 has 32 divisors (see below), whose sum is σ = 245904960. Its totient is φ = 55866240.

The previous prime is 121412393. The next prime is 121412411. The reversal of 121412408 is 804214121.

It is a congruent 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, 36578 + ... + 39758.

It is an arithmetic number, because the mean of its divisors is an integer number (7684530).

Almost surely, 2^121412408 is an apocalyptic number.

121412408 is the 6362-nd octagonal number.

It is an amenable number.

121412408 is an abundant number, since it is smaller than the sum of its proper divisors (124492552).

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

121412408 is a wasteful number, since it uses less digits than its factorization.

121412408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 121412408 is about 11018.7298723582. The cubic root of 121412408 is about 495.1700371524.

Adding to 121412408 its reverse (804214121), we get a palindrome (925626529).

The spelling of 121412408 in words is "one hundred twenty-one million, four hundred twelve thousand, four hundred eight".