1195889 has 4 divisors (see below), whose sum is σ = 1198080. Its totient is φ = 1193700.

The previous prime is 1195849. The next prime is 1195891. The reversal of 1195889 is 9885911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9885911 = 7 ⋅1412273.

It is a cyclic number.

It is not a de Polignac number, because 1195889 - 2¹² = 1191793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195849) 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, 464 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (299520).

2^1195889 is an apocalyptic number.

It is an amenable number.

1195889 is a deficient number, since it is larger than the sum of its proper divisors (2191).

1195889 is a wasteful number, since it uses less digits than its factorization.

1195889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its digits is 25920, while the sum is 41.

The square root of 1195889 is about 1093.5670989930. The cubic root of 1195889 is about 106.1443683744.

The spelling of 1195889 in words is "one million, one hundred ninety-five thousand, eight hundred eighty-nine".