1012159 has 2 divisors, whose sum is σ = 1012160. Its totient is φ = 1012158.

The previous prime is 1012147. The next prime is 1012171. The reversal of 1012159 is 9512101.

It is a balanced prime because it is at equal distance from previous prime (1012147) and next prime (1012171).

It is an emirp because it is prime and its reverse (9512101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012159 - 2⁷ = 1012031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506079 + 506080.

It is an arithmetic number, because the mean of its divisors is an integer number (506080).

2^1012159 is an apocalyptic number.

1012159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012159 is an equidigital number, since it uses as much as digits as its factorization.

1012159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1012159 is about 1006.0611313434. The cubic root of 1012159 is about 100.4036683263.

The spelling of 1012159 in words is "one million, twelve thousand, one hundred fifty-nine".