10172903 has 8 divisors (see below), whose sum is σ = 10981488. Its totient is φ = 9368064.

The previous prime is 10172843. The next prime is 10172917. The reversal of 10172903 is 30927101.

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 10172903 - 2¹⁴ = 10156519 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 (10172933) 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, 7751 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (1372686).

Almost surely, 2^10172903 is an apocalyptic number.

10172903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10172903 is a deficient number, since it is larger than the sum of its proper divisors (808585).

10172903 is a wasteful number, since it uses less digits than its factorization.

10172903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10172903 is about 3189.4988634580. The cubic root of 10172903 is about 216.6780746130.

It can be divided in two parts, 101 and 72903, that multiplied together give a triangular number (7363203 = T₃₈₃₇).

The spelling of 10172903 in words is "ten million, one hundred seventy-two thousand, nine hundred three".