121204025 has 12 divisors (see below), whose sum is σ = 150442752. Its totient is φ = 96866640.

The previous prime is 121204019. The next prime is 121204051. The reversal of 121204025 is 520402121.

It is not a de Polignac number, because 121204025 - 2¹⁶ = 121138489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121203994 and 121204012.

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, 33872 + ... + 37278.

It is an arithmetic number, because the mean of its divisors is an integer number (12536896).

Almost surely, 2^121204025 is an apocalyptic number.

It is an amenable number.

121204025 is a deficient number, since it is larger than the sum of its proper divisors (29238727).

121204025 is a wasteful number, since it uses less digits than its factorization.

121204025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121204025 is about 11009.2699576312. The cubic root of 121204025 is about 494.8865842257.

Adding to 121204025 its reverse (520402121), we get a palindrome (641606146).

The spelling of 121204025 in words is "one hundred twenty-one million, two hundred four thousand, twenty-five".