1120587 has 16 divisors (see below), whose sum is σ = 1639680. Its totient is φ = 676512.

The previous prime is 1120577. The next prime is 1120591. The reversal of 1120587 is 7850211.

It is not a de Polignac number, because 1120587 - 2⁷ = 1120459 is a prime.

1120587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1120507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2^1120587 is an apocalyptic number.

1120587 is a deficient number, since it is larger than the sum of its proper divisors (519093).

1120587 is a wasteful number, since it uses less digits than its factorization.

1120587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1120587 is about 1058.5778195296. The cubic root of 1120587 is about 103.8680216900.

Adding to 1120587 its reverse (7850211), we get a palindrome (8970798).

The spelling of 1120587 in words is "one million, one hundred twenty thousand, five hundred eighty-seven".