1179887 has 4 divisors (see below), whose sum is σ = 1184736. Its totient is φ = 1175040.

The previous prime is 1179883. The next prime is 1179901. The reversal of 1179887 is 7889711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7889711 = 29 ⋅272059.

It is a cyclic number.

It is not a de Polignac number, because 1179887 - 2² = 1179883 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 (1179883) 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, 2039 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (296184).

2^1179887 is an apocalyptic number.

1179887 is a deficient number, since it is larger than the sum of its proper divisors (4849).

1179887 is an equidigital number, since it uses as much as digits as its factorization.

1179887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848.

The product of its digits is 28224, while the sum is 41.

The square root of 1179887 is about 1086.2260354088. The cubic root of 1179887 is about 105.6688072667.

The spelling of 1179887 in words is "one million, one hundred seventy-nine thousand, eight hundred eighty-seven".