121495404 has 24 divisors (see below), whose sum is σ = 283808448. Its totient is φ = 40452880.

The previous prime is 121495399. The next prime is 121495421. The reversal of 121495404 is 404594121.

It is a super-2 number, since 2×121495404² = 29522266386246432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6439 + ... + 16865.

It is an arithmetic number, because the mean of its divisors is an integer number (11825352).

Almost surely, 2^121495404 is an apocalyptic number.

It is an amenable number.

121495404 is an abundant number, since it is smaller than the sum of its proper divisors (162313044).

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

121495404 is a wasteful number, since it uses less digits than its factorization.

121495404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 121495404 is about 11022.4953617591. The cubic root of 121495404 is about 495.2828421288.

The spelling of 121495404 in words is "one hundred twenty-one million, four hundred ninety-five thousand, four hundred four".