126438117 has 32 divisors (see below), whose sum is σ = 186480000. Its totient is φ = 75727872.

The previous prime is 126438077. The next prime is 126438161. The reversal of 126438117 is 711834621.

It is not a de Polignac number, because 126438117 - 2¹⁰ = 126437093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126438517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253134 + ... + 253632.

It is an arithmetic number, because the mean of its divisors is an integer number (5827500).

Almost surely, 2^126438117 is an apocalyptic number.

It is an amenable number.

126438117 is a deficient number, since it is larger than the sum of its proper divisors (60041883).

126438117 is a wasteful number, since it uses less digits than its factorization.

126438117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 8064, while the sum is 33.

The square root of 126438117 is about 11244.4705077651. The cubic root of 126438117 is about 501.9101824462.

The spelling of 126438117 in words is "one hundred twenty-six million, four hundred thirty-eight thousand, one hundred seventeen".