1959115 has 4 divisors (see below), whose sum is σ = 2350944. Its totient is φ = 1567288.

The previous prime is 1959091. The next prime is 1959149. The reversal of 1959115 is 5119591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5119591 = 757 ⋅6763.

It is a cyclic number.

It is not a de Polignac number, because 1959115 - 2⁹ = 1958603 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 195907 + ... + 195916.

It is an arithmetic number, because the mean of its divisors is an integer number (587736).

2^1959115 is an apocalyptic number.

1959115 is a deficient number, since it is larger than the sum of its proper divisors (391829).

1959115 is an equidigital number, since it uses as much as digits as its factorization.

1959115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391828.

The product of its digits is 2025, while the sum is 31.

The square root of 1959115 is about 1399.6838928844. The cubic root of 1959115 is about 125.1276562533.

The spelling of 1959115 in words is "one million, nine hundred fifty-nine thousand, one hundred fifteen".