123801159 has 8 divisors (see below), whose sum is σ = 166671232. Its totient is φ = 81732600.

The previous prime is 123801151. The next prime is 123801173. The reversal of 123801159 is 951108321.

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

It is not a de Polignac number, because 123801159 - 2³ = 123801151 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 (123801151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200017 + ... + 200634.

It is an arithmetic number, because the mean of its divisors is an integer number (20833904).

Almost surely, 2^123801159 is an apocalyptic number.

123801159 is a deficient number, since it is larger than the sum of its proper divisors (42870073).

123801159 is a wasteful number, since it uses less digits than its factorization.

123801159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400757.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 123801159 is about 11126.5969190944. The cubic root of 123801159 is about 498.3964078157.

The spelling of 123801159 in words is "one hundred twenty-three million, eight hundred one thousand, one hundred fifty-nine".