1081487 has 4 divisors (see below), whose sum is σ = 1179816. Its totient is φ = 983160.

The previous prime is 1081477. The next prime is 1081501. The reversal of 1081487 is 7841801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7841801 = 11 ⋅712891.

It is a cyclic number.

It is not a de Polignac number, because 1081487 - 2⁸ = 1081231 is a prime.

It is a super-2 number, since 2×1081487² = 2339228262338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49148 + ... + 49169.

It is an arithmetic number, because the mean of its divisors is an integer number (294954).

2^1081487 is an apocalyptic number.

1081487 is a deficient number, since it is larger than the sum of its proper divisors (98329).

1081487 is an equidigital number, since it uses as much as digits as its factorization.

1081487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98328.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1081487 is about 1039.9456716579. The cubic root of 1081487 is about 102.6456228772.

It can be divided in two parts, 10814 and 87, that added together give a palindrome (10901).

The spelling of 1081487 in words is "one million, eighty-one thousand, four hundred eighty-seven".