120121204 has 12 divisors (see below), whose sum is σ = 240242464. Its totient is φ = 51480504.

The previous prime is 120121181. The next prime is 120121207. The reversal of 120121204 is 402121021.

120121204 = 1437² + 1438² + ... + 1492².

It is a happy number.

120121204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144994 + ... + 2145049.

Almost surely, 2^120121204 is an apocalyptic number.

120121204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120121204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120121204 is a wasteful number, since it uses less digits than its factorization.

120121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290054 (or 4290052 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120121204 is about 10959.9819342917. The cubic root of 120121204 is about 493.4084227476.

Adding to 120121204 its reverse (402121021), we get a palindrome (522242225).

The spelling of 120121204 in words is "one hundred twenty million, one hundred twenty-one thousand, two hundred four".