126457222418 has 18 divisors (see below), whose sum is σ = 194456865087. Its totient is φ = 61676391840.

The previous prime is 126457222387. The next prime is 126457222421. The reversal of 126457222418 is 814222754621.

It can be written as a sum of positive squares in 5 ways, for example, as 68572230769 + 57884991649 = 261863^2 + 240593^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=251453.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20616080 + ... + 20622212.

Almost surely, 2^126457222418 is an apocalyptic number.

126457222418 is a deficient number, since it is larger than the sum of its proper divisors (67999642669).

126457222418 is an frugal number, since it uses more digits than its factorization.

126457222418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350 (or 6176 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The spelling of 126457222418 in words is "one hundred twenty-six billion, four hundred fifty-seven million, two hundred twenty-two thousand, four hundred eighteen".