126749627456 has 56 divisors (see below), whose sum is σ = 268108176000. Its totient is φ = 59279261184.

The previous prime is 126749627449. The next prime is 126749627561. The reversal of 126749627456 is 654726947621.

It is a junction number, because it is equal to n+sod(n) for n = 126749627395 and 126749627404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563651 + ... + 755778.

It is an arithmetic number, because the mean of its divisors is an integer number (4787646000).

Almost surely, 2^126749627456 is an apocalyptic number.

126749627456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126749627456 is an abundant number, since it is smaller than the sum of its proper divisors (141358548544).

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

126749627456 is a wasteful number, since it uses less digits than its factorization.

126749627456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319539 (or 1319529 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 126749627456 in words is "one hundred twenty-six billion, seven hundred forty-nine million, six hundred twenty-seven thousand, four hundred fifty-six".