123825889 has 16 divisors (see below), whose sum is σ = 137281536. Its totient is φ = 110754000.

The previous prime is 123825847. The next prime is 123825893. The reversal of 123825889 is 988528321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123825889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123825809) 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, 210654 + ... + 211240.

It is an arithmetic number, because the mean of its divisors is an integer number (8580096).

Almost surely, 2^123825889 is an apocalyptic number.

It is an amenable number.

123825889 is a deficient number, since it is larger than the sum of its proper divisors (13455647).

123825889 is a wasteful number, since it uses less digits than its factorization.

123825889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 276480, while the sum is 46.

The square root of 123825889 is about 11127.7081647570. The cubic root of 123825889 is about 498.4295914646.

The spelling of 123825889 in words is "one hundred twenty-three million, eight hundred twenty-five thousand, eight hundred eighty-nine".