1167287 has 8 divisors (see below), whose sum is σ = 1285392. Its totient is φ = 1059960.

The previous prime is 1167277. The next prime is 1167289. The reversal of 1167287 is 7827611.

It is not a de Polignac number, because 1167287 - 2¹⁸ = 905143 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 (1167289) 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, 893 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (160674).

2^1167287 is an apocalyptic number.

1167287 is a deficient number, since it is larger than the sum of its proper divisors (118105).

1167287 is an frugal number, since it uses more digits than its factorization.

1167287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 888 counting only the distinct ones).

The product of its digits is 4704, while the sum is 32.

The square root of 1167287 is about 1080.4105701075. The cubic root of 1167287 is about 105.2913149807.

The spelling of 1167287 in words is "one million, one hundred sixty-seven thousand, two hundred eighty-seven".