1087546 has 4 divisors (see below), whose sum is σ = 1631322. Its totient is φ = 543772.

The previous prime is 1087543. The next prime is 1087553. The reversal of 1087546 is 6457801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 923521 + 164025 = 961^2 + 405^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1087543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271885 + ... + 271888.

2^1087546 is an apocalyptic number.

1087546 is a deficient number, since it is larger than the sum of its proper divisors (543776).

1087546 is an equidigital number, since it uses as much as digits as its factorization.

1087546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543775.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1087546 is about 1042.8547358094. The cubic root of 1087546 is about 102.8369557311.

The spelling of 1087546 in words is "one million, eighty-seven thousand, five hundred forty-six".