125100123 has 8 divisors (see below), whose sum is σ = 175579200. Its totient is φ = 79010568.

The previous prime is 125100109. The next prime is 125100133. The reversal of 125100123 is 321001521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125100123 - 2²⁰ = 124051547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125100103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097313 + ... + 1097426.

It is an arithmetic number, because the mean of its divisors is an integer number (21947400).

Almost surely, 2^125100123 is an apocalyptic number.

125100123 is a deficient number, since it is larger than the sum of its proper divisors (50479077).

125100123 is a wasteful number, since it uses less digits than its factorization.

125100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194761.

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

The square root of 125100123 is about 11184.8166279113. The cubic root of 125100123 is about 500.1334617061.

Adding to 125100123 its reverse (321001521), we get a palindrome (446101644).

The spelling of 125100123 in words is "one hundred twenty-five million, one hundred thousand, one hundred twenty-three".