125245173 has 4 divisors (see below), whose sum is σ = 166993568. Its totient is φ = 83496780.

The previous prime is 125245147. The next prime is 125245181. The reversal of 125245173 is 371542521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125245173 - 2²¹ = 123148021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125245173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20874193 + ... + 20874198.

It is an arithmetic number, because the mean of its divisors is an integer number (41748392).

Almost surely, 2^125245173 is an apocalyptic number.

It is an amenable number.

125245173 is a deficient number, since it is larger than the sum of its proper divisors (41748395).

125245173 is an equidigital number, since it uses as much as digits as its factorization.

125245173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41748394.

The product of its digits is 8400, while the sum is 30.

The square root of 125245173 is about 11191.2989862661. The cubic root of 125245173 is about 500.3266838422.

Adding to 125245173 its reverse (371542521), we get a palindrome (496787694).

The spelling of 125245173 in words is "one hundred twenty-five million, two hundred forty-five thousand, one hundred seventy-three".