123994039 has 8 divisors (see below), whose sum is σ = 141387120. Its totient is φ = 107723136.

The previous prime is 123994009. The next prime is 123994049. The reversal of 123994039 is 930499321.

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 123994039 - 2⁷ = 123993911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123993992 and 123994010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123994009) 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, 280309 + ... + 280750.

It is an arithmetic number, because the mean of its divisors is an integer number (17673390).

Almost surely, 2^123994039 is an apocalyptic number.

123994039 is a deficient number, since it is larger than the sum of its proper divisors (17393081).

123994039 is a wasteful number, since it uses less digits than its factorization.

123994039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561089.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 123994039 is about 11135.2610656419. The cubic root of 123994039 is about 498.6551044219.

The spelling of 123994039 in words is "one hundred twenty-three million, nine hundred ninety-four thousand, thirty-nine".