126631244 has 12 divisors (see below), whose sum is σ = 221793600. Its totient is φ = 63261648.

The previous prime is 126631243. The next prime is 126631289. The reversal of 126631244 is 442136621.

It is not an unprimeable number, because it can be changed into a prime (126631243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964 + ... + 17795.

It is an arithmetic number, because the mean of its divisors is an integer number (18482800).

Almost surely, 2^126631244 is an apocalyptic number.

It is an amenable number.

126631244 is a deficient number, since it is larger than the sum of its proper divisors (95162356).

126631244 is a wasteful number, since it uses less digits than its factorization.

126631244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26992 (or 26990 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 126631244 is about 11253.0548741220. The cubic root of 126631244 is about 502.1655988218.

Adding to 126631244 its reverse (442136621), we get a palindrome (568767865).

The spelling of 126631244 in words is "one hundred twenty-six million, six hundred thirty-one thousand, two hundred forty-four".