121677272 has 32 divisors (see below), whose sum is σ = 241520400. Its totient is φ = 57369984.

The previous prime is 121677251. The next prime is 121677277. The reversal of 121677272 is 272776121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121677277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3878 + ... + 16074.

Almost surely, 2^121677272 is an apocalyptic number.

It is an amenable number.

121677272 is a deficient number, since it is larger than the sum of its proper divisors (119843128).

121677272 is a wasteful number, since it uses less digits than its factorization.

121677272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275 (or 12271 counting only the distinct ones).

The product of its digits is 16464, while the sum is 35.

The square root of 121677272 is about 11030.7421327851. The cubic root of 121677272 is about 495.5298506273.

The spelling of 121677272 in words is "one hundred twenty-one million, six hundred seventy-seven thousand, two hundred seventy-two".