121490204 has 48 divisors (see below), whose sum is σ = 240589440. Its totient is φ = 53202240.

The previous prime is 121490197. The next prime is 121490227. The reversal of 121490204 is 402094121.

It is a self number, because there is not a number n which added to its sum of digits gives 121490204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137147 + ... + 138029.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^121490204 is an apocalyptic number.

It is an amenable number.

121490204 is a deficient number, since it is larger than the sum of its proper divisors (119099236).

121490204 is a wasteful number, since it uses less digits than its factorization.

121490204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121490204 is about 11022.2594779836. The cubic root of 121490204 is about 495.2757759973.

The spelling of 121490204 in words is "one hundred twenty-one million, four hundred ninety thousand, two hundred four".