125453123 has 4 divisors (see below), whose sum is σ = 125635368. Its totient is φ = 125270880.

The previous prime is 125453117. The next prime is 125453161. The reversal of 125453123 is 321354521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125453123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125453092 and 125453101.

It is not an unprimeable number, because it can be changed into a prime (125453323) 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, 90086 + ... + 91467.

It is an arithmetic number, because the mean of its divisors is an integer number (31408842).

Almost surely, 2^125453123 is an apocalyptic number.

125453123 is a deficient number, since it is larger than the sum of its proper divisors (182245).

125453123 is an equidigital number, since it uses as much as digits as its factorization.

125453123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182244.

The product of its digits is 3600, while the sum is 26.

The square root of 125453123 is about 11200.5858328928. The cubic root of 125453123 is about 500.6034354384.

The spelling of 125453123 in words is "one hundred twenty-five million, four hundred fifty-three thousand, one hundred twenty-three".