121604808 has 128 divisors (see below), whose sum is σ = 351630720. Its totient is φ = 34713600.

The previous prime is 121604789. The next prime is 121604809. The reversal of 121604808 is 808406121.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121604809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535591 + ... + 535817.

It is an arithmetic number, because the mean of its divisors is an integer number (2747115).

Almost surely, 2^121604808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121604808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175815360).

121604808 is an abundant number, since it is smaller than the sum of its proper divisors (230025912).

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

121604808 is a wasteful number, since it uses less digits than its factorization.

121604808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 121604808 is about 11027.4570051304. The cubic root of 121604808 is about 495.4314613797.

The spelling of 121604808 in words is "one hundred twenty-one million, six hundred four thousand, eight hundred eight".