121505332 has 24 divisors (see below), whose sum is σ = 229536776. Its totient is φ = 55945728.

The previous prime is 121505303. The next prime is 121505333. The reversal of 121505332 is 233505121.

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 121088016 = 646^2 + 11004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121505333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208 + ... + 26320.

Almost surely, 2^121505332 is an apocalyptic number.

It is an amenable number.

121505332 is a deficient number, since it is larger than the sum of its proper divisors (108031444).

121505332 is a wasteful number, since it uses less digits than its factorization.

121505332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 121505332 is about 11022.9457043025. The cubic root of 121505332 is about 495.2963324447.

The spelling of 121505332 in words is "one hundred twenty-one million, five hundred five thousand, three hundred thirty-two".