1970159 has 4 divisors (see below), whose sum is σ = 1973160. Its totient is φ = 1967160.

The previous prime is 1970149. The next prime is 1970161. The reversal of 1970159 is 9510791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970159 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 (1970119) 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, 44 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

2^1970159 is an apocalyptic number.

1970159 is a deficient number, since it is larger than the sum of its proper divisors (3001).

1970159 is an equidigital number, since it uses as much as digits as its factorization.

1970159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 1970159 is about 1403.6235250237. The cubic root of 1970159 is about 125.3623406591.

The spelling of 1970159 in words is "one million, nine hundred seventy thousand, one hundred fifty-nine".