126799900 has 18 divisors (see below), whose sum is σ = 275156000. Its totient is φ = 50719920.

The previous prime is 126799891. The next prime is 126799913. The reversal of 126799900 is 9997621.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 633900 + ... + 634099.

Almost surely, 2^126799900 is an apocalyptic number.

126799900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126799900 is an abundant number, since it is smaller than the sum of its proper divisors (148356100).

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

126799900 is a wasteful number, since it uses less digits than its factorization.

126799900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268013 (or 1268006 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 126799900 is about 11260.5461679263. The cubic root of 126799900 is about 502.3884392160.

The spelling of 126799900 in words is "one hundred twenty-six million, seven hundred ninety-nine thousand, nine hundred".