1189959 has 8 divisors (see below), whose sum is σ = 1602432. Its totient is φ = 785400.

The previous prime is 1189933. The next prime is 1189967. The reversal of 1189959 is 9599811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1189959 - 2⁷ = 1189831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1189959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (200304).

2^1189959 is an apocalyptic number.

1189959 is a deficient number, since it is larger than the sum of its proper divisors (412473).

1189959 is a wasteful number, since it uses less digits than its factorization.

1189959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957.

The product of its digits is 29160, while the sum is 42.

The square root of 1189959 is about 1090.8524189825. The cubic root of 1189959 is about 105.9686331778.

The spelling of 1189959 in words is "one million, one hundred eighty-nine thousand, nine hundred fifty-nine".