1153087 has 6 divisors (see below), whose sum is σ = 1248792. Its totient is φ = 1064232.

The previous prime is 1153073. The next prime is 1153099. The reversal of 1153087 is 7803511.

It is not a de Polignac number, because 1153087 - 2¹⁵ = 1120319 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 (1153007) 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 5 ways as a sum of consecutive naturals, for example, 3243 + ... + 3580.

It is an arithmetic number, because the mean of its divisors is an integer number (208132).

2^1153087 is an apocalyptic number.

1153087 is a deficient number, since it is larger than the sum of its proper divisors (95705).

1153087 is an equidigital number, since it uses as much as digits as its factorization.

1153087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849 (or 6836 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1153087 is about 1073.8188860325. The cubic root of 1153087 is about 104.8626169994.

Adding to 1153087 its reverse (7803511), we get a palindrome (8956598).

The spelling of 1153087 in words is "one million, one hundred fifty-three thousand, eighty-seven".