125123303 has 4 divisors (see below), whose sum is σ = 131708760. Its totient is φ = 118537848.

The previous prime is 125123287. The next prime is 125123329. The reversal of 125123303 is 303321521.

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

It is a cyclic number.

It is not a de Polignac number, because 125123303 - 2⁴ = 125123287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125123203) 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, 3292700 + ... + 3292737.

It is an arithmetic number, because the mean of its divisors is an integer number (32927190).

Almost surely, 2^125123303 is an apocalyptic number.

125123303 is a deficient number, since it is larger than the sum of its proper divisors (6585457).

125123303 is an equidigital number, since it uses as much as digits as its factorization.

125123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585456.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 125123303 is about 11185.8528061118. The cubic root of 125123303 is about 500.1643499723.

Adding to 125123303 its reverse (303321521), we get a palindrome (428444824).

The spelling of 125123303 in words is "one hundred twenty-five million, one hundred twenty-three thousand, three hundred three".