172041243 has 8 divisors (see below), whose sum is σ = 250241856. Its totient is φ = 104267400.

The previous prime is 172041203. The next prime is 172041251. The reversal of 172041243 is 342140271.

It is a happy number.

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

It is not a de Polignac number, because 172041243 - 2⁸ = 172040987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172041203) 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, 2606653 + ... + 2606718.

It is an arithmetic number, because the mean of its divisors is an integer number (31280232).

Almost surely, 2^172041243 is an apocalyptic number.

172041243 is a deficient number, since it is larger than the sum of its proper divisors (78200613).

172041243 is a wasteful number, since it uses less digits than its factorization.

172041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213385.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 172041243 is about 13116.4493289914. The cubic root of 172041243 is about 556.1742236044.

The spelling of 172041243 in words is "one hundred seventy-two million, forty-one thousand, two hundred forty-three".