121864574 has 8 divisors (see below), whose sum is σ = 196858200. Its totient is φ = 56245176.

The previous prime is 121864549. The next prime is 121864579. The reversal of 121864574 is 475468121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121864579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343524 + ... + 2343575.

It is an arithmetic number, because the mean of its divisors is an integer number (24607275).

Almost surely, 2^121864574 is an apocalyptic number.

121864574 is a deficient number, since it is larger than the sum of its proper divisors (74993626).

121864574 is a wasteful number, since it uses less digits than its factorization.

121864574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687114.

The product of its digits is 53760, while the sum is 38.

The square root of 121864574 is about 11039.2288679962. The cubic root of 121864574 is about 495.7839823082.

The spelling of 121864574 in words is "one hundred twenty-one million, eight hundred sixty-four thousand, five hundred seventy-four".