121302404 has 12 divisors (see below), whose sum is σ = 215759628. Its totient is φ = 59656800.

The previous prime is 121302373. The next prime is 121302427. The reversal of 121302404 is 404203121.

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 82264900 = 6248^2 + 9070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248327 + ... + 248814.

It is an arithmetic number, because the mean of its divisors is an integer number (17979969).

Almost surely, 2^121302404 is an apocalyptic number.

It is an amenable number.

121302404 is a deficient number, since it is larger than the sum of its proper divisors (94457224).

121302404 is a wasteful number, since it uses less digits than its factorization.

121302404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497206 (or 497204 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121302404 is about 11013.7370587825. The cubic root of 121302404 is about 495.0204446883.

Adding to 121302404 its reverse (404203121), we get a palindrome (525505525).

The spelling of 121302404 in words is "one hundred twenty-one million, three hundred two thousand, four hundred four".