121625132 has 12 divisors (see below), whose sum is σ = 212974776. Its totient is φ = 60775200.

The previous prime is 121625117. The next prime is 121625209. The reversal of 121625132 is 231526121.

It is a junction number, because it is equal to n+sod(n) for n = 121625098 and 121625107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (17747898).

Almost surely, 2^121625132 is an apocalyptic number.

It is an amenable number.

121625132 is a deficient number, since it is larger than the sum of its proper divisors (91349644).

121625132 is a wasteful number, since it uses less digits than its factorization.

121625132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18688 (or 18686 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 121625132 is about 11028.3784846187. The cubic root of 121625132 is about 495.4590605848.

The spelling of 121625132 in words is "one hundred twenty-one million, six hundred twenty-five thousand, one hundred thirty-two".