1612159 has 4 divisors (see below), whose sum is σ = 1614760. Its totient is φ = 1609560.

The previous prime is 1612157. The next prime is 1612181. The reversal of 1612159 is 9512161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1612159 - 2¹ = 1612157 is a prime.

It is a Duffinian number.

1612159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232 + ... + 1810.

It is an arithmetic number, because the mean of its divisors is an integer number (403690).

2^1612159 is an apocalyptic number.

1612159 is a deficient number, since it is larger than the sum of its proper divisors (2601).

1612159 is a wasteful number, since it uses less digits than its factorization.

1612159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its digits is 540, while the sum is 25.

The square root of 1612159 is about 1269.7082342019. The cubic root of 1612159 is about 117.2562382740.

It can be divided in two parts, 1612 and 159, that added together give a palindrome (1771).

The spelling of 1612159 in words is "one million, six hundred twelve thousand, one hundred fifty-nine".