121630732 has 12 divisors (see below), whose sum is σ = 219720256. Its totient is φ = 58853520.

The previous prime is 121630721. The next prime is 121630757. The reversal of 121630732 is 237036121.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 121630697 and 121630706.

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, 490323 + ... + 490570.

Almost surely, 2^121630732 is an apocalyptic number.

It is an amenable number.

121630732 is a deficient number, since it is larger than the sum of its proper divisors (98089524).

121630732 is a wasteful number, since it uses less digits than its factorization.

121630732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980928 (or 980926 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 121630732 is about 11028.6323721484. The cubic root of 121630732 is about 495.4666646277.

Adding to 121630732 its reverse (237036121), we get a palindrome (358666853).

The spelling of 121630732 in words is "one hundred twenty-one million, six hundred thirty thousand, seven hundred thirty-two".