121264713 has 6 divisors (see below), whose sum is σ = 175160154. Its totient is φ = 80843136.

The previous prime is 121264709. The next prime is 121264739. The reversal of 121264713 is 317462121.

121264713 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 647 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102576384 + 18688329 = 10128^2 + 4323^2 .

It is not a de Polignac number, because 121264713 - 2² = 121264709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121264513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6736920 + ... + 6736937.

It is an arithmetic number, because the mean of its divisors is an integer number (29193359).

Almost surely, 2^121264713 is an apocalyptic number.

It is an amenable number.

121264713 is a deficient number, since it is larger than the sum of its proper divisors (53895441).

121264713 is a wasteful number, since it uses less digits than its factorization.

121264713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473863 (or 13473860 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 121264713 is about 11012.0258354219. The cubic root of 121264713 is about 494.9691685725.

The spelling of 121264713 in words is "one hundred twenty-one million, two hundred sixty-four thousand, seven hundred thirteen".