126446889 has 16 divisors (see below), whose sum is σ = 172182528. Its totient is φ = 82520592.

The previous prime is 126446869. The next prime is 126446891. The reversal of 126446889 is 988644621.

It is not a de Polignac number, because 126446889 - 2⁸ = 126446633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126446809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31684 + ... + 35450.

It is an arithmetic number, because the mean of its divisors is an integer number (10761408).

Almost surely, 2^126446889 is an apocalyptic number.

It is an amenable number.

126446889 is a deficient number, since it is larger than the sum of its proper divisors (45735639).

126446889 is a wasteful number, since it uses less digits than its factorization.

126446889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004.

The product of its digits is 663552, while the sum is 48.

The square root of 126446889 is about 11244.8605593845. The cubic root of 126446889 is about 501.9217893213.

The spelling of 126446889 in words is "one hundred twenty-six million, four hundred forty-six thousand, eight hundred eighty-nine".