121235152 has 10 divisors (see below), whose sum is σ = 234893138. Its totient is φ = 60617568.

The previous prime is 121235111. The next prime is 121235171. The reversal of 121235152 is 251532121.

It can be written as a sum of positive squares in only one way, i.e., 120033936 + 1201216 = 10956^2 + 1096^2 .

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, 3788583 + ... + 3788614.

Almost surely, 2^121235152 is an apocalyptic number.

It is an amenable number.

121235152 is a deficient number, since it is larger than the sum of its proper divisors (113657986).

121235152 is an equidigital number, since it uses as much as digits as its factorization.

121235152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577205 (or 7577199 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 121235152 is about 11010.6835391814. The cubic root of 121235152 is about 494.9289453497.

Adding to 121235152 its reverse (251532121), we get a palindrome (372767273).

The spelling of 121235152 in words is "one hundred twenty-one million, two hundred thirty-five thousand, one hundred fifty-two".