121024404 has 36 divisors (see below), whose sum is σ = 306473440. Its totient is φ = 40268880.

The previous prime is 121024391. The next prime is 121024429. The reversal of 121024404 is 404420121.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19569 + ... + 24999.

Almost surely, 2^121024404 is an apocalyptic number.

It is an amenable number.

121024404 is an abundant number, since it is smaller than the sum of its proper divisors (185449036).

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

121024404 is a wasteful number, since it uses less digits than its factorization.

121024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 121024404 is about 11001.1092168017. The cubic root of 121024404 is about 494.6419939679.

Adding to 121024404 its reverse (404420121), we get a palindrome (525444525).

The spelling of 121024404 in words is "one hundred twenty-one million, twenty-four thousand, four hundred four".