126131126 has 96 divisors (see below), whose sum is σ = 242694144. Its totient is φ = 48787200.

The previous prime is 126131099. The next prime is 126131167. The reversal of 126131126 is 621131621.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2933261 + ... + 2933303.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2^126131126 is an apocalyptic number.

126131126 is a deficient number, since it is larger than the sum of its proper divisors (116563018).

126131126 is a wasteful number, since it uses less digits than its factorization.

126131126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 127 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 126131126 is about 11230.8114577710. The cubic root of 126131126 is about 501.5036415911.

Adding to 126131126 its reverse (621131621), we get a palindrome (747262747).

The spelling of 126131126 in words is "one hundred twenty-six million, one hundred thirty-one thousand, one hundred twenty-six".