125010123 has 16 divisors (see below), whose sum is σ = 194380800. Its totient is φ = 71433768.

The previous prime is 125010121. The next prime is 125010181. The reversal of 125010123 is 321010521.

It is not a de Polignac number, because 125010123 - 2¹ = 125010121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59715 + ... + 61772.

It is an arithmetic number, because the mean of its divisors is an integer number (12148800).

Almost surely, 2^125010123 is an apocalyptic number.

125010123 is a deficient number, since it is larger than the sum of its proper divisors (69370677).

125010123 is an equidigital number, since it uses as much as digits as its factorization.

125010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121511 (or 121497 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 125010123 is about 11180.7925926564. The cubic root of 125010123 is about 500.0134969690.

Adding to 125010123 its reverse (321010521), we get a palindrome (446020644).

The spelling of 125010123 in words is "one hundred twenty-five million, ten thousand, one hundred twenty-three".