121204044 has 36 divisors (see below), whose sum is σ = 329945616. Its totient is φ = 37293408.

The previous prime is 121204019. The next prime is 121204051. The reversal of 121204044 is 440402121.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129024 + ... + 129959.

It is an arithmetic number, because the mean of its divisors is an integer number (9165156).

Almost surely, 2^121204044 is an apocalyptic number.

It is an amenable number.

121204044 is an abundant number, since it is smaller than the sum of its proper divisors (208741572).

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

121204044 is a wasteful number, since it uses less digits than its factorization.

121204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259006 (or 259001 counting only the distinct ones).

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

The square root of 121204044 is about 11009.2708205403. The cubic root of 121204044 is about 494.8866100852.

Adding to 121204044 its reverse (440402121), we get a palindrome (561606165).

The spelling of 121204044 in words is "one hundred twenty-one million, two hundred four thousand, forty-four".