126897886 has 16 divisors (see below), whose sum is σ = 192004128. Its totient is φ = 62899200.

The previous prime is 126897857. The next prime is 126897887. The reversal of 126897886 is 688798621.

It is a super-2 number, since 2×126897886² = 32206146942537992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126897887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200791 + ... + 201421.

It is an arithmetic number, because the mean of its divisors is an integer number (12000258).

Almost surely, 2^126897886 is an apocalyptic number.

126897886 is a deficient number, since it is larger than the sum of its proper divisors (65106242).

126897886 is a wasteful number, since it uses less digits than its factorization.

126897886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 2322432, while the sum is 55.

The square root of 126897886 is about 11264.8961823889. The cubic root of 126897886 is about 502.5178146040.

The spelling of 126897886 in words is "one hundred twenty-six million, eight hundred ninety-seven thousand, eight hundred eighty-six".