126887018 has 8 divisors (see below), whose sum is σ = 190421220. Its totient is φ = 63413280.

The previous prime is 126887003. The next prime is 126887029. The reversal of 126887018 is 810788621.

It can be written as a sum of positive squares in 2 ways, for example, as 104919049 + 21967969 = 10243^2 + 4687^2 .

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

It is a super-2 number, since 2×126887018² = 32200630673864648, which contains 22 as substring.

It is an unprimeable number.

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, 9443 + ... + 18518.

Almost surely, 2^126887018 is an apocalyptic number.

126887018 is a deficient number, since it is larger than the sum of its proper divisors (63534202).

126887018 is a wasteful number, since it uses less digits than its factorization.

126887018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30232.

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 126887018 is about 11264.4137885644. The cubic root of 126887018 is about 502.5034683721.

The spelling of 126887018 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, eighteen".