122431432 has 16 divisors (see below), whose sum is σ = 231592140. Its totient is φ = 60673536.

The previous prime is 122431427. The next prime is 122431447. The reversal of 122431432 is 234134221.

It can be written as a sum of positive squares in 2 ways, for example, as 122014116 + 417316 = 11046^2 + 646^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66813 + ... + 68620.

Almost surely, 2^122431432 is an apocalyptic number.

It is an amenable number.

122431432 is a deficient number, since it is larger than the sum of its proper divisors (109160708).

122431432 is a wasteful number, since it uses less digits than its factorization.

122431432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135552 (or 135548 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 122431432 is about 11064.8737905138. The cubic root of 122431432 is about 496.5515132241.

Adding to 122431432 its reverse (234134221), we get a palindrome (356565653).

The spelling of 122431432 in words is "one hundred twenty-two million, four hundred thirty-one thousand, four hundred thirty-two".