1141587 has 8 divisors (see below), whose sum is σ = 1691280. Its totient is φ = 761040.

The previous prime is 1141573. The next prime is 1141597. The reversal of 1141587 is 7851411.

It is not a de Polignac number, because 1141587 - 2⁴ = 1141571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42281 = 1141587 / (1 + 1 + 4 + 1 + 5 + 8 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 1141587.

It is not an unprimeable number, because it can be changed into a prime (1141507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21114 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (211410).

2^1141587 is an apocalyptic number.

1141587 is a deficient number, since it is larger than the sum of its proper divisors (549693).

1141587 is an equidigital number, since it uses as much as digits as its factorization.

1141587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42290 (or 42284 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1141587 is about 1068.4507475780. The cubic root of 1141587 is about 104.5128453491.

Adding to 1141587 its reverse (7851411), we get a palindrome (8992998).

It can be divided in two parts, 1141 and 587, that added together give a cube (1728 = 12³).

The spelling of 1141587 in words is "one million, one hundred forty-one thousand, five hundred eighty-seven".