1230159 has 8 divisors (see below), whose sum is σ = 1874560. Its totient is φ = 702936.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230159 is 9510321.

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

It is not a de Polignac number, because 1230159 - 2⁵ = 1230127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58579 = 1230159 / (1 + 2 + 3 + 0 + 1 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29269 + ... + 29310.

It is an arithmetic number, because the mean of its divisors is an integer number (234320).

2^1230159 is an apocalyptic number.

1230159 is a deficient number, since it is larger than the sum of its proper divisors (644401).

1230159 is an equidigital number, since it uses as much as digits as its factorization.

1230159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58589.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1230159 is about 1109.1253310605. The cubic root of 1230159 is about 107.1487435496.

The spelling of 1230159 in words is "one million, two hundred thirty thousand, one hundred fifty-nine".