123001159 has 4 divisors (see below), whose sum is σ = 124129720. Its totient is φ = 121872600.

The previous prime is 123001157. The next prime is 123001187. The reversal of 123001159 is 951100321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951100321 = 113 ⋅8416817.

It is a cyclic number.

It is not a de Polignac number, because 123001159 - 2¹ = 123001157 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 (123001157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564117 + ... + 564334.

It is an arithmetic number, because the mean of its divisors is an integer number (31032430).

Almost surely, 2^123001159 is an apocalyptic number.

123001159 is a deficient number, since it is larger than the sum of its proper divisors (1128561).

123001159 is a wasteful number, since it uses less digits than its factorization.

123001159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128560.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 123001159 is about 11090.5887580417. The cubic root of 123001159 is about 497.3205453618.

The spelling of 123001159 in words is "one hundred twenty-three million, one thousand, one hundred fifty-nine".