1956159 has 6 divisors (see below), whose sum is σ = 2825576. Its totient is φ = 1304100.

The previous prime is 1956109. The next prime is 1956161. The reversal of 1956159 is 9516591.

It is not a de Polignac number, because 1956159 - 2¹¹ = 1954111 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 (1956109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108667 + ... + 108684.

2^1956159 is an apocalyptic number.

1956159 is a deficient number, since it is larger than the sum of its proper divisors (869417).

1956159 is a wasteful number, since it uses less digits than its factorization.

1956159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217357 (or 217354 counting only the distinct ones).

The product of its digits is 12150, while the sum is 36.

The square root of 1956159 is about 1398.6275415564. The cubic root of 1956159 is about 125.0646918473.

The spelling of 1956159 in words is "one million, nine hundred fifty-six thousand, one hundred fifty-nine".