126622172454 has 32 divisors (see below), whose sum is σ = 266840609280. Its totient is φ = 39945807072.

The previous prime is 126622172447. The next prime is 126622172477. The reversal of 126622172454 is 454271226621.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443374 + ... + 670689.

It is an arithmetic number, because the mean of its divisors is an integer number (8338769040).

Almost surely, 2^126622172454 is an apocalyptic number.

126622172454 is an abundant number, since it is smaller than the sum of its proper divisors (140218436826).

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

126622172454 is a wasteful number, since it uses less digits than its factorization.

126622172454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115084.

The product of its digits is 322560, while the sum is 42.

The spelling of 126622172454 in words is "one hundred twenty-six billion, six hundred twenty-two million, one hundred seventy-two thousand, four hundred fifty-four".