122431304 has 8 divisors (see below), whose sum is σ = 229558710. Its totient is φ = 61215648.

The previous prime is 122431303. The next prime is 122431321. The reversal of 122431304 is 403134221.

It can be written as a sum of positive squares in only one way, i.e., 61622500 + 60808804 = 7850^2 + 7798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (122431303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7651949 + ... + 7651964.

Almost surely, 2^122431304 is an apocalyptic number.

It is an amenable number.

122431304 is a deficient number, since it is larger than the sum of its proper divisors (107127406).

122431304 is a wasteful number, since it uses less digits than its factorization.

122431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303919 (or 15303915 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122431304 is about 11064.8680064427. The cubic root of 122431304 is about 496.5513401786.

Adding to 122431304 its reverse (403134221), we get a palindrome (525565525).

The spelling of 122431304 in words is "one hundred twenty-two million, four hundred thirty-one thousand, three hundred four".