103172817 has 8 divisors (see below), whose sum is σ = 150069600. Its totient is φ = 62528960.

The previous prime is 103172801. The next prime is 103172819. The reversal of 103172817 is 718271301.

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

It is a cyclic number.

It is not a de Polignac number, because 103172817 - 2⁴ = 103172801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103172819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563192 + ... + 1563257.

It is an arithmetic number, because the mean of its divisors is an integer number (18758700).

Almost surely, 2^103172817 is an apocalyptic number.

It is an amenable number.

103172817 is a deficient number, since it is larger than the sum of its proper divisors (46896783).

103172817 is a wasteful number, since it uses less digits than its factorization.

103172817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126463.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 103172817 is about 10157.4020792720. The cubic root of 103172817 is about 469.0168326830.

The spelling of 103172817 in words is "one hundred three million, one hundred seventy-two thousand, eight hundred seventeen".