132172903 has 2 divisors, whose sum is σ = 132172904. Its totient is φ = 132172902.

The previous prime is 132172891. The next prime is 132172907. The reversal of 132172903 is 309271231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132172903 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132172907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66086451 + 66086452.

It is an arithmetic number, because the mean of its divisors is an integer number (66086452).

Almost surely, 2^132172903 is an apocalyptic number.

132172903 is a deficient number, since it is larger than the sum of its proper divisors (1).

132172903 is an equidigital number, since it uses as much as digits as its factorization.

132172903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 132172903 is about 11496.6474678491. The cubic root of 132172903 is about 509.3865532050.

The spelling of 132172903 in words is "one hundred thirty-two million, one hundred seventy-two thousand, nine hundred three".