121004003304 has 40 divisors (see below), whose sum is σ = 338923251810. Its totient is φ = 40334667552.

The previous prime is 121004003303. The next prime is 121004003321. The reversal of 121004003304 is 403300400121.

It can be written as a sum of positive squares in only one way, i.e., 118954630404 + 2049372900 = 344898^2 + 45270^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121004003303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93366639 + ... + 93367934.

Almost surely, 2^121004003304 is an apocalyptic number.

It is an amenable number.

121004003304 is an abundant number, since it is smaller than the sum of its proper divisors (217919248506).

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

121004003304 is a wasteful number, since it uses less digits than its factorization.

121004003304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186734591 (or 186734578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121004003304 its reverse (403300400121), we get a palindrome (524304403425).

The spelling of 121004003304 in words is "one hundred twenty-one billion, four million, three thousand, three hundred four".