121264227 has 12 divisors (see below), whose sum is σ = 200182320. Its totient is φ = 69293808.

The previous prime is 121264217. The next prime is 121264243. The reversal of 121264227 is 722462121.

121264227 is a `hidden beast` number, since 1 + 2 + 12 + 642 + 2 + 7 = 666.

It is not a de Polignac number, because 121264227 - 2¹⁶ = 121198691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121264227.

It is not an unprimeable number, because it can be changed into a prime (121264217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962352 + ... + 962477.

It is an arithmetic number, because the mean of its divisors is an integer number (16681860).

Almost surely, 2^121264227 is an apocalyptic number.

121264227 is a deficient number, since it is larger than the sum of its proper divisors (78918093).

121264227 is a wasteful number, since it uses less digits than its factorization.

121264227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924842 (or 1924839 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 121264227 is about 11012.0037686154. The cubic root of 121264227 is about 494.9685073322.

The spelling of 121264227 in words is "one hundred twenty-one million, two hundred sixty-four thousand, two hundred twenty-seven".