121872274 has 4 divisors (see below), whose sum is σ = 182808414. Its totient is φ = 60936136.

The previous prime is 121872241. The next prime is 121872287. The reversal of 121872274 is 472278121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85692049 + 36180225 = 9257^2 + 6015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30468067 + ... + 30468070.

Almost surely, 2^121872274 is an apocalyptic number.

121872274 is a deficient number, since it is larger than the sum of its proper divisors (60936140).

121872274 is an equidigital number, since it uses as much as digits as its factorization.

121872274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60936139.

The product of its digits is 12544, while the sum is 34.

The square root of 121872274 is about 11039.5776187316. The cubic root of 121872274 is about 495.7944241074.

The spelling of 121872274 in words is "one hundred twenty-one million, eight hundred seventy-two thousand, two hundred seventy-four".