121808032 has 12 divisors (see below), whose sum is σ = 239809626. Its totient is φ = 60904000.

The previous prime is 121807997. The next prime is 121808047. The reversal of 121808032 is 230808121.

It can be written as a sum of positive squares in only one way, i.e., 61528336 + 60279696 = 7844^2 + 7764^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121807988 and 121808006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903219 + ... + 1903282.

Almost surely, 2^121808032 is an apocalyptic number.

It is an amenable number.

121808032 is a deficient number, since it is larger than the sum of its proper divisors (118001594).

121808032 is an equidigital number, since it uses as much as digits as its factorization.

121808032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806511 (or 3806503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 121808032 is about 11036.6676130071. The cubic root of 121808032 is about 495.7072934789.

The spelling of 121808032 in words is "one hundred twenty-one million, eight hundred eight thousand, thirty-two".