1179487 has 4 divisors (see below), whose sum is σ = 1182856. Its totient is φ = 1176120.

The previous prime is 1179467. The next prime is 1179491. The reversal of 1179487 is 7849711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1179487 is a prime.

It is a Duffinian number.

1179487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179427) 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, 1089 + ... + 1882.

It is an arithmetic number, because the mean of its divisors is an integer number (295714).

2^1179487 is an apocalyptic number.

1179487 is a deficient number, since it is larger than the sum of its proper divisors (3369).

1179487 is an equidigital number, since it uses as much as digits as its factorization.

1179487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368.

The product of its digits is 14112, while the sum is 37.

The square root of 1179487 is about 1086.0418960611. The cubic root of 1179487 is about 105.6568647953.

It can be divided in two parts, 11794 and 87, that added together give a square (11881 = 109²).

The spelling of 1179487 in words is "one million, one hundred seventy-nine thousand, four hundred eighty-seven".