121834392 has 16 divisors (see below), whose sum is σ = 304586040. Its totient is φ = 40611456.

The previous prime is 121834369. The next prime is 121834399. The reversal of 121834392 is 293438121.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121834399) 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, 2538193 + ... + 2538240.

Almost surely, 2^121834392 is an apocalyptic number.

121834392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121834392 is an abundant number, since it is smaller than the sum of its proper divisors (182751648).

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

121834392 is a wasteful number, since it uses less digits than its factorization.

121834392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076442 (or 5076438 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 121834392 is about 11037.8617494513. The cubic root of 121834392 is about 495.7430489256.

The spelling of 121834392 in words is "one hundred twenty-one million, eight hundred thirty-four thousand, three hundred ninety-two".