122431444 has 6 divisors (see below), whose sum is σ = 214255034. Its totient is φ = 61215720.

The previous prime is 122431427. The next prime is 122431447. The reversal of 122431444 is 444134221.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 56821444 = 8100^2 + 7538^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122431447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15303927 + ... + 15303934.

Almost surely, 2^122431444 is an apocalyptic number.

It is an amenable number.

122431444 is a deficient number, since it is larger than the sum of its proper divisors (91823590).

122431444 is a wasteful number, since it uses less digits than its factorization.

122431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607865 (or 30607863 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 122431444 is about 11064.8743327703. The cubic root of 122431444 is about 496.5515294471.

Adding to 122431444 its reverse (444134221), we get a palindrome (566565665).

The spelling of 122431444 in words is "one hundred twenty-two million, four hundred thirty-one thousand, four hundred forty-four".