1087853 has 12 divisors (see below), whose sum is σ = 1214388. Its totient is φ = 973440.

The previous prime is 1087843. The next prime is 1087861. The reversal of 1087853 is 3587801.

It can be written as a sum of positive squares in 6 ways, for example, as 537289 + 550564 = 733^2 + 742^2 .

It is not a de Polignac number, because 1087853 - 2⁶ = 1087789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6851 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (101199).

2^1087853 is an apocalyptic number.

1087853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1087853 is a deficient number, since it is larger than the sum of its proper divisors (126535).

1087853 is a wasteful number, since it uses less digits than its factorization.

1087853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1087853 is about 1043.0019175438. The cubic root of 1087853 is about 102.8466313295.

The spelling of 1087853 in words is "one million, eighty-seven thousand, eight hundred fifty-three".