100173007 has 4 divisors (see below), whose sum is σ = 109279656. Its totient is φ = 91066360.

The previous prime is 100172999. The next prime is 100173011. The reversal of 100173007 is 700371001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700371001 = 11 ⋅63670091.

It is not a de Polignac number, because 100173007 - 2³ = 100172999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100173067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553308 + ... + 4553329.

It is an arithmetic number, because the mean of its divisors is an integer number (27319914).

Almost surely, 2^100173007 is an apocalyptic number.

100173007 is a deficient number, since it is larger than the sum of its proper divisors (9106649).

100173007 is an equidigital number, since it uses as much as digits as its factorization.

100173007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106648.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 100173007 is about 10008.6466118052. The cubic root of 100173007 is about 464.4264049300.

The spelling of 100173007 in words is "one hundred million, one hundred seventy-three thousand, seven".