121870804 has 12 divisors (see below), whose sum is σ = 232662528. Its totient is φ = 55395800.

The previous prime is 121870787. The next prime is 121870811. The reversal of 121870804 is 408078121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384852 + ... + 1384939.

It is an arithmetic number, because the mean of its divisors is an integer number (19388544).

Almost surely, 2^121870804 is an apocalyptic number.

It is an amenable number.

121870804 is a deficient number, since it is larger than the sum of its proper divisors (110791724).

121870804 is a wasteful number, since it uses less digits than its factorization.

121870804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769806 (or 2769804 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 121870804 is about 11039.5110398966. The cubic root of 121870804 is about 495.7924307070.

The spelling of 121870804 in words is "one hundred twenty-one million, eight hundred seventy thousand, eight hundred four".