126707189 has 12 divisors (see below), whose sum is σ = 147891744. Its totient is φ = 108239544.

The previous prime is 126707167. The next prime is 126707221. The reversal of 126707189 is 981707621.

It is a de Polignac number, because none of the positive numbers 2^k-126707189 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126707149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10832 + ... + 19254.

It is an arithmetic number, because the mean of its divisors is an integer number (12324312).

Almost surely, 2^126707189 is an apocalyptic number.

It is an amenable number.

126707189 is a deficient number, since it is larger than the sum of its proper divisors (21184555).

126707189 is an equidigital number, since it uses as much as digits as its factorization.

126707189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744 (or 8737 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 126707189 is about 11256.4287853653. The cubic root of 126707189 is about 502.2659672715.

The spelling of 126707189 in words is "one hundred twenty-six million, seven hundred seven thousand, one hundred eighty-nine".