126720700 has 36 divisors (see below), whose sum is σ = 278766880. Its totient is φ = 49991040.

The previous prime is 126720679. The next prime is 126720701. The reversal of 126720700 is 7027621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126720701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1380 + ... + 15979.

Almost surely, 2^126720700 is an apocalyptic number.

126720700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126720700 is an abundant number, since it is smaller than the sum of its proper divisors (152046180).

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

126720700 is a wasteful number, since it uses less digits than its factorization.

126720700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17446 (or 17439 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 126720700 is about 11257.0289153044. The cubic root of 126720700 is about 502.2838191244.

The spelling of 126720700 in words is "one hundred twenty-six million, seven hundred twenty thousand, seven hundred".