121337632 has 24 divisors (see below), whose sum is σ = 257259996. Its totient is φ = 56001792.

The previous prime is 121337611. The next prime is 121337639. The reversal of 121337632 is 236733121.

It can be written as a sum of positive squares in 2 ways, for example, as 119159056 + 2178576 = 10916^2 + 1476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121337632.

It is not an unprimeable number, because it can be changed into a prime (121337639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145423 + ... + 146254.

Almost surely, 2^121337632 is an apocalyptic number.

It is an amenable number.

121337632 is an abundant number, since it is smaller than the sum of its proper divisors (135922364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121337632 is a wasteful number, since it uses less digits than its factorization.

121337632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291700 (or 291692 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 121337632 is about 11015.3362182005. The cubic root of 121337632 is about 495.0683604531.

The spelling of 121337632 in words is "one hundred twenty-one million, three hundred thirty-seven thousand, six hundred thirty-two".