121045204 has 48 divisors (see below), whose sum is σ = 256721920. Its totient is φ = 48833280.

The previous prime is 121045193. The next prime is 121045229. The reversal of 121045204 is 402540121.

It is a super-2 number, since 2×121045204² = 29303882822803232, which contains 22 as substring.

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, 30232 + ... + 34000.

Almost surely, 2^121045204 is an apocalyptic number.

121045204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121045204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128360960).

121045204 is an abundant number, since it is smaller than the sum of its proper divisors (135676716).

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

121045204 is a wasteful number, since it uses less digits than its factorization.

121045204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3846 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 121045204 is about 11002.0545354038. The cubic root of 121045204 is about 494.6703297519.

Adding to 121045204 its reverse (402540121), we get a palindrome (523585325).

The spelling of 121045204 in words is "one hundred twenty-one million, forty-five thousand, two hundred four".