121204252 has 24 divisors (see below), whose sum is σ = 230456016. Its totient is φ = 55442688.

The previous prime is 121204219. The next prime is 121204261. The reversal of 121204252 is 252402121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (9602334).

Almost surely, 2^121204252 is an apocalyptic number.

It is an amenable number.

121204252 is a deficient number, since it is larger than the sum of its proper divisors (109251764).

121204252 is a wasteful number, since it uses less digits than its factorization.

121204252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20757 (or 20755 counting only the distinct ones).

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

The square root of 121204252 is about 11009.2802671201. The cubic root of 121204252 is about 494.8868931791.

Adding to 121204252 its reverse (252402121), we get a palindrome (373606373).

The spelling of 121204252 in words is "one hundred twenty-one million, two hundred four thousand, two hundred fifty-two".