121874394 has 16 divisors (see below), whose sum is σ = 258087168. Its totient is φ = 38235072.

The previous prime is 121874387. The next prime is 121874399. The reversal of 121874394 is 493478121.

It is not an unprimeable number, because it can be changed into a prime (121874399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597322 + ... + 597525.

It is an arithmetic number, because the mean of its divisors is an integer number (16130448).

Almost surely, 2^121874394 is an apocalyptic number.

121874394 is an abundant number, since it is smaller than the sum of its proper divisors (136212774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121874394 is a wasteful number, since it uses less digits than its factorization.

121874394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194869.

The product of its digits is 48384, while the sum is 39.

The square root of 121874394 is about 11039.6736364804. The cubic root of 121874394 is about 495.7972989152.

The spelling of 121874394 in words is "one hundred twenty-one million, eight hundred seventy-four thousand, three hundred ninety-four".