123949159 has 8 divisors (see below), whose sum is σ = 131474448. Its totient is φ = 116449920.

The previous prime is 123949151. The next prime is 123949201. The reversal of 123949159 is 951949321.

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 123949159 - 2³ = 123949151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123949151) 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, 3769 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (16434306).

Almost surely, 2^123949159 is an apocalyptic number.

123949159 is a deficient number, since it is larger than the sum of its proper divisors (7525289).

123949159 is a wasteful number, since it uses less digits than its factorization.

123949159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its digits is 87480, while the sum is 43.

The square root of 123949159 is about 11133.2456633275. The cubic root of 123949159 is about 498.5949339440.

The spelling of 123949159 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, one hundred fifty-nine".