121153204 has 6 divisors (see below), whose sum is σ = 212018114. Its totient is φ = 60576600.

The previous prime is 121153181. The next prime is 121153247. The reversal of 121153204 is 402351121.

It can be written as a sum of positive squares in only one way, i.e., 110250000 + 10903204 = 10500^2 + 3302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15144147 + ... + 15144154.

Almost surely, 2^121153204 is an apocalyptic number.

It is an amenable number.

121153204 is a deficient number, since it is larger than the sum of its proper divisors (90864910).

121153204 is a wasteful number, since it uses less digits than its factorization.

121153204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30288305 (or 30288303 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121153204 is about 11006.9616152688. The cubic root of 121153204 is about 494.8174057003.

The spelling of 121153204 in words is "one hundred twenty-one million, one hundred fifty-three thousand, two hundred four".