126500880 has 80 divisors (see below), whose sum is σ = 427811904. Its totient is φ = 30666240.

The previous prime is 126500873. The next prime is 126500921. The reversal of 126500880 is 88005621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 21319 + ... + 26598.

Almost surely, 2^126500880 is an apocalyptic number.

126500880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126500880 is an abundant number, since it is smaller than the sum of its proper divisors (301311024).

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

126500880 is a wasteful number, since it uses less digits than its factorization.

126500880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47944 (or 47938 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 126500880 is about 11247.2609999057. The cubic root of 126500880 is about 501.9932169472.

The spelling of 126500880 in words is "one hundred twenty-six million, five hundred thousand, eight hundred eighty".