126607998 has 16 divisors (see below), whose sum is σ = 276235776. Its totient is φ = 38366040.

The previous prime is 126607967. The next prime is 126608017. The reversal of 126607998 is 899706621.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 959086 + ... + 959217.

It is an arithmetic number, because the mean of its divisors is an integer number (17264736).

Almost surely, 2^126607998 is an apocalyptic number.

126607998 is an abundant number, since it is smaller than the sum of its proper divisors (149627778).

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

126607998 is a wasteful number, since it uses less digits than its factorization.

126607998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918319.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 126607998 is about 11252.0219516316. The cubic root of 126607998 is about 502.1348690284.

The spelling of 126607998 in words is "one hundred twenty-six million, six hundred seven thousand, nine hundred ninety-eight".