121747232 has 24 divisors (see below), whose sum is σ = 239936256. Its totient is φ = 60811072.

The previous prime is 121747187. The next prime is 121747243. The reversal of 121747232 is 232747121.

It is a junction number, because it is equal to n+sod(n) for n = 121747195 and 121747204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57293 + ... + 59379.

It is an arithmetic number, because the mean of its divisors is an integer number (9997344).

Almost surely, 2^121747232 is an apocalyptic number.

It is an amenable number.

121747232 is a deficient number, since it is larger than the sum of its proper divisors (118189024).

121747232 is a wasteful number, since it uses less digits than its factorization.

121747232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3912 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 121747232 is about 11033.9128145912. The cubic root of 121747232 is about 495.6248029706.

The spelling of 121747232 in words is "one hundred twenty-one million, seven hundred forty-seven thousand, two hundred thirty-two".