100172098 has 32 divisors (see below), whose sum is σ = 171601920. Its totient is φ = 43519680.

The previous prime is 100172089. The next prime is 100172113. The reversal of 100172098 is 890271001.

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 15 ways as a sum of consecutive naturals, for example, 28143 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^100172098 is an apocalyptic number.

100172098 is a deficient number, since it is larger than the sum of its proper divisors (71429822).

100172098 is a wasteful number, since it uses less digits than its factorization.

100172098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 100172098 is about 10008.6012009671. The cubic root of 100172098 is about 464.4250001441.

The spelling of 100172098 in words is "one hundred million, one hundred seventy-two thousand, ninety-eight".