125173453 has 4 divisors (see below), whose sum is σ = 125368768. Its totient is φ = 124978140.

The previous prime is 125173421. The next prime is 125173459. The reversal of 125173453 is 354371521.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354371521 = 7 ⋅50624503.

It is a cyclic number.

It is not a de Polignac number, because 125173453 - 2⁵ = 125173421 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 (125173459) 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, 96693 + ... + 97978.

It is an arithmetic number, because the mean of its divisors is an integer number (31342192).

Almost surely, 2^125173453 is an apocalyptic number.

It is an amenable number.

125173453 is a deficient number, since it is larger than the sum of its proper divisors (195315).

125173453 is an equidigital number, since it uses as much as digits as its factorization.

125173453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195314.

The product of its digits is 12600, while the sum is 31.

The square root of 125173453 is about 11188.0942523738. The cubic root of 125173453 is about 500.2311637768.

The spelling of 125173453 in words is "one hundred twenty-five million, one hundred seventy-three thousand, four hundred fifty-three".