123574989 has 8 divisors (see below), whose sum is σ = 174458880. Its totient is φ = 77537216.

The previous prime is 123574973. The next prime is 123574999. The reversal of 123574989 is 989475321.

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

It is a cyclic number.

It is not a de Polignac number, because 123574989 - 2⁴ = 123574973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123574939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1211469 + ... + 1211570.

It is an arithmetic number, because the mean of its divisors is an integer number (21807360).

Almost surely, 2^123574989 is an apocalyptic number.

It is an amenable number.

123574989 is a deficient number, since it is larger than the sum of its proper divisors (50883891).

123574989 is a wasteful number, since it uses less digits than its factorization.

123574989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423059.

The product of its digits is 544320, while the sum is 48.

The square root of 123574989 is about 11116.4287880596. The cubic root of 123574989 is about 498.0927191437.

The spelling of 123574989 in words is "one hundred twenty-three million, five hundred seventy-four thousand, nine hundred eighty-nine".