121023632 has 20 divisors (see below), whose sum is σ = 238459440. Its totient is φ = 59485728.

The previous prime is 121023593. The next prime is 121023647. The reversal of 121023632 is 236320121.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63158 + ... + 65045.

It is an arithmetic number, because the mean of its divisors is an integer number (11922972).

Almost surely, 2^121023632 is an apocalyptic number.

It is an amenable number.

121023632 is a deficient number, since it is larger than the sum of its proper divisors (117435808).

121023632 is a wasteful number, since it uses less digits than its factorization.

121023632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128270 (or 128264 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 121023632 is about 11001.0741293748. The cubic root of 121023632 is about 494.6409422119.

Adding to 121023632 its reverse (236320121), we get a palindrome (357343753).

It can be divided in two parts, 1210 and 23632, that added together give a palindrome (24842).

The spelling of 121023632 in words is "one hundred twenty-one million, twenty-three thousand, six hundred thirty-two".