126131156 has 12 divisors (see below), whose sum is σ = 223210260. Its totient is φ = 62356800.

The previous prime is 126131099. The next prime is 126131167. The reversal of 126131156 is 651131621.

It can be written as a sum of positive squares in 2 ways, for example, as 42042256 + 84088900 = 6484^2 + 9170^2 .

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, 176795 + ... + 177506.

It is an arithmetic number, because the mean of its divisors is an integer number (18600855).

Almost surely, 2^126131156 is an apocalyptic number.

It is an amenable number.

126131156 is a deficient number, since it is larger than the sum of its proper divisors (97079104).

126131156 is a wasteful number, since it uses less digits than its factorization.

126131156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354394 (or 354392 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 126131156 is about 11230.8127933823. The cubic root of 126131156 is about 501.5036813516.

Adding to 126131156 its reverse (651131621), we get a palindrome (777262777).

The spelling of 126131156 in words is "one hundred twenty-six million, one hundred thirty-one thousand, one hundred fifty-six".