121354408 has 32 divisors (see below), whose sum is σ = 260467200. Its totient is φ = 51924672.

The previous prime is 121354399. The next prime is 121354411. The reversal of 121354408 is 804453121.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 43273 + ... + 45991.

It is an arithmetic number, because the mean of its divisors is an integer number (8139600).

Almost surely, 2^121354408 is an apocalyptic number.

It is an amenable number.

121354408 is an abundant number, since it is smaller than the sum of its proper divisors (139112792).

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

121354408 is a wasteful number, since it uses less digits than its factorization.

121354408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 121354408 is about 11016.0976756744. The cubic root of 121354408 is about 495.0911752604.

The spelling of 121354408 in words is "one hundred twenty-one million, three hundred fifty-four thousand, four hundred eight".