1170287 has 4 divisors (see below), whose sum is σ = 1181976. Its totient is φ = 1158600.

The previous prime is 1170277. The next prime is 1170311. The reversal of 1170287 is 7820711.

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

It is a cyclic number.

It is not a de Polignac number, because 1170287 - 2⁴ = 1170271 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170277) 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, 5693 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (295494).

2^1170287 is an apocalyptic number.

1170287 is a deficient number, since it is larger than the sum of its proper divisors (11689).

1170287 is a wasteful number, since it uses less digits than its factorization.

1170287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11688.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1170287 is about 1081.7980403014. The cubic root of 1170287 is about 105.3814395531.

Adding to 1170287 its reverse (7820711), we get a palindrome (8990998).

It can be divided in two parts, 1170 and 287, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 1170287 in words is "one million, one hundred seventy thousand, two hundred eighty-seven".