103172407 has 8 divisors (see below), whose sum is σ = 111188336. Its totient is φ = 95167872.

The previous prime is 103172389. The next prime is 103172417. The reversal of 103172407 is 704271301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103172407 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 (103172417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30463 + ... + 33679.

It is an arithmetic number, because the mean of its divisors is an integer number (13898542).

Almost surely, 2^103172407 is an apocalyptic number.

103172407 is a deficient number, since it is larger than the sum of its proper divisors (8015929).

103172407 is a wasteful number, since it uses less digits than its factorization.

103172407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 103172407 is about 10157.3818969260. The cubic root of 103172407 is about 469.0162114045.

The spelling of 103172407 in words is "one hundred three million, one hundred seventy-two thousand, four hundred seven".