123043125 has 40 divisors (see below), whose sum is σ = 206933760. Its totient is φ = 65008000.

The previous prime is 123043111. The next prime is 123043139. The reversal of 123043125 is 521340321.

It is an interprime number because it is at equal distance from previous prime (123043111) and next prime (123043139).

It is not a de Polignac number, because 123043125 - 2⁸ = 123042869 is a prime.

It is a super-2 number, since 2×123043125² = 30279221219531250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 256636 + ... + 257114.

It is an arithmetic number, because the mean of its divisors is an integer number (5173344).

Almost surely, 2^123043125 is an apocalyptic number.

123043125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123043125 is a deficient number, since it is larger than the sum of its proper divisors (83890635).

123043125 is an equidigital number, since it uses as much as digits as its factorization.

123043125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123043125 is about 11092.4805611730. The cubic root of 123043125 is about 497.3770981647.

Adding to 123043125 its reverse (521340321), we get a palindrome (644383446).

The spelling of 123043125 in words is "one hundred twenty-three million, forty-three thousand, one hundred twenty-five".