1087544 has 16 divisors (see below), whose sum is σ = 2070600. Its totient is φ = 535392.

The previous prime is 1087543. The next prime is 1087553. The reversal of 1087544 is 4457801.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 1550.

2^1087544 is an apocalyptic number.

It is an amenable number.

1087544 is a deficient number, since it is larger than the sum of its proper divisors (983056).

1087544 is a wasteful number, since it uses less digits than its factorization.

1087544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1087544 is about 1042.8537769026. The cubic root of 1087544 is about 102.8368926919.

It can be divided in two parts, 1087 and 544, that multiplied together give a triangular number (591328 = T₁₀₈₇).

The spelling of 1087544 in words is "one million, eighty-seven thousand, five hundred forty-four".