121308804 has 72 divisors (see below), whose sum is σ = 326158560. Its totient is φ = 37884672.

The previous prime is 121308773. The next prime is 121308823. The reversal of 121308804 is 408803121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231687 + ... + 232209.

It is an arithmetic number, because the mean of its divisors is an integer number (4529980).

Almost surely, 2^121308804 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 121308804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163079280).

121308804 is an abundant number, since it is smaller than the sum of its proper divisors (204849756).

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

121308804 is a wasteful number, since it uses less digits than its factorization.

121308804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 121308804 is about 11014.0276012002. The cubic root of 121308804 is about 495.0291504106.

The spelling of 121308804 in words is "one hundred twenty-one million, three hundred eight thousand, eight hundred four".