126889203 has 16 divisors (see below), whose sum is σ = 194052096. Its totient is φ = 72246720.

The previous prime is 126889199. The next prime is 126889271. The reversal of 126889203 is 302988621.

It is a happy number.

It is not a de Polignac number, because 126889203 - 2² = 126889199 is a prime.

It is a super-2 number, since 2×126889203² = 32201739675950418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126881203) 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, 4851 + ... + 16652.

It is an arithmetic number, because the mean of its divisors is an integer number (12128256).

Almost surely, 2^126889203 is an apocalyptic number.

126889203 is a deficient number, since it is larger than the sum of its proper divisors (67162893).

126889203 is a wasteful number, since it uses less digits than its factorization.

126889203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21794.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 126889203 is about 11264.5107749960. The cubic root of 126889203 is about 502.5063527327.

The spelling of 126889203 in words is "one hundred twenty-six million, eight hundred eighty-nine thousand, two hundred three".