126275980 has 48 divisors (see below), whose sum is σ = 278175744. Its totient is φ = 48058560.

The previous prime is 126275971. The next prime is 126276011. The reversal of 126275980 is 89572621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101965 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (5795328).

Almost surely, 2^126275980 is an apocalyptic number.

126275980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126275980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139087872).

126275980 is an abundant number, since it is smaller than the sum of its proper divisors (151899764).

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

126275980 is a wasteful number, since it uses less digits than its factorization.

126275980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 126275980 is about 11237.2585624787. The cubic root of 126275980 is about 501.6955503851.

The spelling of 126275980 in words is "one hundred twenty-six million, two hundred seventy-five thousand, nine hundred eighty".