431120122 has 4 divisors (see below), whose sum is σ = 646680186. Its totient is φ = 215560060.

The previous prime is 431120077. The next prime is 431120149. The reversal of 431120122 is 221021134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 430936081 + 184041 = 20759^2 + 429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431120096 and 431120105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107780029 + ... + 107780032.

Almost surely, 2^431120122 is an apocalyptic number.

431120122 is a deficient number, since it is larger than the sum of its proper divisors (215560064).

431120122 is a wasteful number, since it uses less digits than its factorization.

431120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215560063.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 431120122 is about 20763.4323270504. The cubic root of 431120122 is about 755.4390510947.

Adding to 431120122 its reverse (221021134), we get a palindrome (652141256).

The spelling of 431120122 in words is "four hundred thirty-one million, one hundred twenty thousand, one hundred twenty-two".