126881418 has 8 divisors (see below), whose sum is σ = 253762848. Its totient is φ = 42293804.

The previous prime is 126881413. The next prime is 126881431. The reversal of 126881418 is 814188621.

It is a sphenic number, since it is the product of 3 distinct primes.

126881418 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126881413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10573446 + ... + 10573457.

It is an arithmetic number, because the mean of its divisors is an integer number (31720356).

Almost surely, 2^126881418 is an apocalyptic number.

126881418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126881418 is a wasteful number, since it uses less digits than its factorization.

126881418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21146908.

The product of its digits is 24576, while the sum is 39.

The square root of 126881418 is about 11264.1652154077. The cubic root of 126881418 is about 502.4960758091.

The spelling of 126881418 in words is "one hundred twenty-six million, eight hundred eighty-one thousand, four hundred eighteen".