126454875792 has 80 divisors (see below), whose sum is σ = 375633576960. Its totient is φ = 35908292736.

The previous prime is 126454875791. The next prime is 126454875797. The reversal of 126454875792 is 297578454621.

It is a super-2 number, since 2×126454875792² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (126454875791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099692 + ... + 1209227.

It is an arithmetic number, because the mean of its divisors is an integer number (4695419712).

Almost surely, 2^126454875792 is an apocalyptic number.

126454875792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126454875792 is an abundant number, since it is smaller than the sum of its proper divisors (249178701168).

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

126454875792 is a wasteful number, since it uses less digits than its factorization.

126454875792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309100 (or 2309094 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 60.

The spelling of 126454875792 in words is "one hundred twenty-six billion, four hundred fifty-four million, eight hundred seventy-five thousand, seven hundred ninety-two".