121475392 has 14 divisors (see below), whose sum is σ = 241052858. Its totient is φ = 60737664.

The previous prime is 121475363. The next prime is 121475411. The reversal of 121475392 is 293574121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 38738176 = 9096^2 + 6224^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948963 + ... + 949090.

Almost surely, 2^121475392 is an apocalyptic number.

It is an amenable number.

121475392 is a deficient number, since it is larger than the sum of its proper divisors (119577466).

121475392 is an equidigital number, since it uses as much as digits as its factorization.

121475392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898065 (or 1898055 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 121475392 is about 11021.5875444511. The cubic root of 121475392 is about 495.2556472881.

The spelling of 121475392 in words is "one hundred twenty-one million, four hundred seventy-five thousand, three hundred ninety-two".