126881986 has 32 divisors (see below), whose sum is σ = 237831552. Its totient is φ = 49320960.

The previous prime is 126881969. The next prime is 126882023. The reversal of 126881986 is 689188621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103650 + ... + 104866.

It is an arithmetic number, because the mean of its divisors is an integer number (7432236).

Almost surely, 2^126881986 is an apocalyptic number.

126881986 is a deficient number, since it is larger than the sum of its proper divisors (110949566).

126881986 is a wasteful number, since it uses less digits than its factorization.

126881986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 331776, while the sum is 49.

The square root of 126881986 is about 11264.1904280778. The cubic root of 126881986 is about 502.4968256361.

The spelling of 126881986 in words is "one hundred twenty-six million, eight hundred eighty-one thousand, nine hundred eighty-six".