126390844 has 12 divisors (see below), whose sum is σ = 228319168. Its totient is φ = 61156800.

The previous prime is 126390827. The next prime is 126390871. The reversal of 126390844 is 448093621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509517 + ... + 509764.

Almost surely, 2^126390844 is an apocalyptic number.

It is an amenable number.

126390844 is a deficient number, since it is larger than the sum of its proper divisors (101928324).

126390844 is a wasteful number, since it uses less digits than its factorization.

126390844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019316 (or 1019314 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 126390844 is about 11242.3682558436. The cubic root of 126390844 is about 501.8476228367.

The spelling of 126390844 in words is "one hundred twenty-six million, three hundred ninety thousand, eight hundred forty-four".