121404492 has 36 divisors (see below), whose sum is σ = 334783176. Its totient is φ = 36789120.

The previous prime is 121404467. The next prime is 121404499. The reversal of 121404492 is 294404121.

It is a happy number.

121404492 is a `hidden beast` number, since 1 + 214 + 0 + 449 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (121404499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152893 + ... + 153684.

Almost surely, 2^121404492 is an apocalyptic number.

121404492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121404492 is an abundant number, since it is smaller than the sum of its proper divisors (213378684).

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

121404492 is a wasteful number, since it uses less digits than its factorization.

121404492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306598 (or 306593 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 121404492 is about 11018.3706599479. The cubic root of 121404492 is about 495.1592753441.

The spelling of 121404492 in words is "one hundred twenty-one million, four hundred four thousand, four hundred ninety-two".