126310900 has 18 divisors (see below), whose sum is σ = 274094870. Its totient is φ = 50524320.

The previous prime is 126310897. The next prime is 126310907. The reversal of 126310900 is 9013621.

It can be written as a sum of positive squares in 3 ways, for example, as 38588944 + 87721956 = 6212^2 + 9366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126310907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631455 + ... + 631654.

Almost surely, 2^126310900 is an apocalyptic number.

126310900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126310900 is an abundant number, since it is smaller than the sum of its proper divisors (147783970).

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

126310900 is a wasteful number, since it uses less digits than its factorization.

126310900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263123 (or 1263116 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 126310900 is about 11238.8122148206. The cubic root of 126310900 is about 501.7417919426.

The spelling of 126310900 in words is "one hundred twenty-six million, three hundred ten thousand, nine hundred".