121422404 has 12 divisors (see below), whose sum is σ = 212737644. Its totient is φ = 60640224.

The previous prime is 121422401. The next prime is 121422409. The reversal of 121422404 is 404224121.

It can be written as a sum of positive squares in 2 ways, for example, as 75724804 + 45697600 = 8702^2 + 6760^2 .

It is not an unprimeable number, because it can be changed into a prime (121422401) 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, 13799 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (17728137).

Almost surely, 2^121422404 is an apocalyptic number.

It is an amenable number.

121422404 is a deficient number, since it is larger than the sum of its proper divisors (91315240).

121422404 is a wasteful number, since it uses less digits than its factorization.

121422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35494 (or 35492 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 121422404 is about 11019.1834543218. The cubic root of 121422404 is about 495.1836260542.

Adding to 121422404 its reverse (404224121), we get a palindrome (525646525).

The spelling of 121422404 in words is "one hundred twenty-one million, four hundred twenty-two thousand, four hundred four".