121525233 has 16 divisors (see below), whose sum is σ = 164900736. Its totient is φ = 79591680.

The previous prime is 121525223. The next prime is 121525247. The reversal of 121525233 is 332525121.

It is a happy number.

It is not a de Polignac number, because 121525233 - 2¹² = 121521137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121525223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70935 + ... + 72627.

It is an arithmetic number, because the mean of its divisors is an integer number (10306296).

Almost surely, 2^121525233 is an apocalyptic number.

It is an amenable number.

121525233 is a deficient number, since it is larger than the sum of its proper divisors (43375503).

121525233 is a wasteful number, since it uses less digits than its factorization.

121525233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104.

The product of its digits is 1800, while the sum is 24.

The square root of 121525233 is about 11023.8483752272. The cubic root of 121525233 is about 495.3233720104.

The spelling of 121525233 in words is "one hundred twenty-one million, five hundred twenty-five thousand, two hundred thirty-three".