1169287 has 10 divisors (see below), whose sum is σ = 1366888. Its totient is φ = 1000188.

The previous prime is 1169281. The next prime is 1169293. The reversal of 1169287 is 7829611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1169281) and next prime (1169293).

It is not a de Polignac number, because 1169287 - 2¹⁹ = 644999 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 (1169281) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2158 + ... + 2644.

2^1169287 is an apocalyptic number.

1169287 is a deficient number, since it is larger than the sum of its proper divisors (197601).

1169287 is an frugal number, since it uses more digits than its factorization.

1169287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 494 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 1169287 is about 1081.3357480450. The cubic root of 1169287 is about 105.3514151604.

The spelling of 1169287 in words is "one million, one hundred sixty-nine thousand, two hundred eighty-seven".