121974367 has 16 divisors (see below), whose sum is σ = 128471040. Its totient is φ = 115668000.

The previous prime is 121974343. The next prime is 121974383. The reversal of 121974367 is 763479121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121974367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121974397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510234 + ... + 510472.

It is an arithmetic number, because the mean of its divisors is an integer number (8029440).

Almost surely, 2^121974367 is an apocalyptic number.

121974367 is a deficient number, since it is larger than the sum of its proper divisors (6496673).

121974367 is a wasteful number, since it uses less digits than its factorization.

121974367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 63504, while the sum is 40.

The square root of 121974367 is about 11044.2006048423. The cubic root of 121974367 is about 495.9328286053.

The spelling of 121974367 in words is "one hundred twenty-one million, nine hundred seventy-four thousand, three hundred sixty-seven".