121178032 has 20 divisors (see below), whose sum is σ = 239779296. Its totient is φ = 59299520.

The previous prime is 121178027. The next prime is 121178041. The reversal of 121178032 is 230871121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121177988 and 121178006.

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, 79819 + ... + 81322.

Almost surely, 2^121178032 is an apocalyptic number.

It is an amenable number.

121178032 is a deficient number, since it is larger than the sum of its proper divisors (118601264).

121178032 is a wasteful number, since it uses less digits than its factorization.

121178032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161196 (or 161190 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 121178032 is about 11008.0893891719. The cubic root of 121178032 is about 494.8512044692.

The spelling of 121178032 in words is "one hundred twenty-one million, one hundred seventy-eight thousand, thirty-two".