126872018 has 24 divisors (see below), whose sum is σ = 235516608. Its totient is φ = 50190192.

The previous prime is 126872017. The next prime is 126872033. The reversal of 126872018 is 810278621.

It is not an unprimeable number, because it can be changed into a prime (126872017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24446 + ... + 29177.

It is an arithmetic number, because the mean of its divisors is an integer number (9813192).

Almost surely, 2^126872018 is an apocalyptic number.

126872018 is a deficient number, since it is larger than the sum of its proper divisors (108644590).

126872018 is a wasteful number, since it uses less digits than its factorization.

126872018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53658 (or 53645 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 126872018 is about 11263.7479552767. The cubic root of 126872018 is about 502.4836663750.

The spelling of 126872018 in words is "one hundred twenty-six million, eight hundred seventy-two thousand, eighteen".