122431266 has 24 divisors (see below), whose sum is σ = 268006284. Its totient is φ = 40389120.

The previous prime is 122431249. The next prime is 122431271. The reversal of 122431266 is 662134221.

It can be written as a sum of positive squares in 2 ways, for example, as 112975641 + 9455625 = 10629^2 + 3075^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33315 + ... + 36806.

Almost surely, 2^122431266 is an apocalyptic number.

122431266 is an abundant number, since it is smaller than the sum of its proper divisors (145575018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122431266 is a wasteful number, since it uses less digits than its factorization.

122431266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70226 (or 70223 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 122431266 is about 11064.8662892960. The cubic root of 122431266 is about 496.5512888057.

Adding to 122431266 its reverse (662134221), we get a palindrome (784565487).

The spelling of 122431266 in words is "one hundred twenty-two million, four hundred thirty-one thousand, two hundred sixty-six".