12501123 has 8 divisors (see below), whose sum is σ = 16705728. Its totient is φ = 8315304.

The previous prime is 12501067. The next prime is 12501169. The reversal of 12501123 is 32110521.

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

It is not a de Polignac number, because 12501123 - 2⁸ = 12500867 is a prime.

It is a super-2 number, since 2×12501123² = 312556152522258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12501193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (2088216).

Almost surely, 2^12501123 is an apocalyptic number.

12501123 is a deficient number, since it is larger than the sum of its proper divisors (4204605).

12501123 is an equidigital number, since it uses as much as digits as its factorization.

12501123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393.

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

The square root of 12501123 is about 3535.6927185489. The cubic root of 12501123 is about 232.0863914782.

Adding to 12501123 its reverse (32110521), we get a palindrome (44611644).

The spelling of 12501123 in words is "twelve million, five hundred one thousand, one hundred twenty-three".