1087369 has 4 divisors (see below), whose sum is σ = 1095444. Its totient is φ = 1079296.

The previous prime is 1087357. The next prime is 1087379. The reversal of 1087369 is 9637801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9637801 = 131 ⋅73571.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 160000 = 963^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087369 - 2⁷ = 1087241 is a prime.

It is a super-2 number, since 2×1087369² = 2364742684322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087309) 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, 3832 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (273861).

2^1087369 is an apocalyptic number.

It is an amenable number.

1087369 is a deficient number, since it is larger than the sum of its proper divisors (8075).

1087369 is an equidigital number, since it uses as much as digits as its factorization.

1087369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1087369 is about 1042.7698691466. The cubic root of 1087369 is about 102.8313764640.

The spelling of 1087369 in words is "one million, eighty-seven thousand, three hundred sixty-nine".