18800126 has 4 divisors (see below), whose sum is σ = 28200192. Its totient is φ = 9400062.

The previous prime is 18800087. The next prime is 18800137. The reversal of 18800126 is 62100881.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 18800095 and 18800104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700030 + ... + 4700033.

It is an arithmetic number, because the mean of its divisors is an integer number (7050048).

Almost surely, 2^18800126 is an apocalyptic number.

18800126 is a deficient number, since it is larger than the sum of its proper divisors (9400066).

18800126 is an equidigital number, since it uses as much as digits as its factorization.

18800126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400065.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 18800126 is about 4335.9112075779. The cubic root of 18800126 is about 265.9011730788.

The spelling of 18800126 in words is "eighteen million, eight hundred thousand, one hundred twenty-six".