126172192 has 24 divisors (see below), whose sum is σ = 248962896. Its totient is φ = 62943552.

The previous prime is 126172177. The next prime is 126172199. The reversal of 126172192 is 291271621.

It is not an unprimeable number, because it can be changed into a prime (126172199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10723 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (10373454).

Almost surely, 2^126172192 is an apocalyptic number.

It is an amenable number.

126172192 is a deficient number, since it is larger than the sum of its proper divisors (122790704).

126172192 is an equidigital number, since it uses as much as digits as its factorization.

126172192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920 (or 8912 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 126172192 is about 11232.6395829297. The cubic root of 126172192 is about 501.5580625061.

The spelling of 126172192 in words is "one hundred twenty-six million, one hundred seventy-two thousand, one hundred ninety-two".