1290159 has 12 divisors (see below), whose sum is σ = 2007096. Its totient is φ = 793872.

The previous prime is 1290151. The next prime is 1290161. The reversal of 1290159 is 9510921.

It is a happy number.

It is not a de Polignac number, because 1290159 - 2³ = 1290151 is a prime.

1290159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5397 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (167258).

2^1290159 is an apocalyptic number.

1290159 is a deficient number, since it is larger than the sum of its proper divisors (716937).

1290159 is a wasteful number, since it uses less digits than its factorization.

1290159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11046 (or 11043 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1290159 is about 1135.8516628504. The cubic root of 1290159 is about 108.8631956517.

The spelling of 1290159 in words is "one million, two hundred ninety thousand, one hundred fifty-nine".