126207400 has 48 divisors (see below), whose sum is σ = 320113440. Its totient is φ = 45892800.

The previous prime is 126207373. The next prime is 126207457. The reversal of 126207400 is 4702621.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 11 ways as a sum of consecutive naturals, for example, 26484 + ... + 30883.

It is an arithmetic number, because the mean of its divisors is an integer number (6669030).

Almost surely, 2^126207400 is an apocalyptic number.

126207400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126207400 is an abundant number, since it is smaller than the sum of its proper divisors (193906040).

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

126207400 is a wasteful number, since it uses less digits than its factorization.

126207400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57394 (or 57385 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 126207400 is about 11234.2066920633. The cubic root of 126207400 is about 501.6047109624.

The spelling of 126207400 in words is "one hundred twenty-six million, two hundred seven thousand, four hundred".