1087550 has 12 divisors (see below), whose sum is σ = 2022936. Its totient is φ = 435000.

The previous prime is 1087543. The next prime is 1087553. The reversal of 1087550 is 557801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10826 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (168578).

2^1087550 is an apocalyptic number.

1087550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087550 is a deficient number, since it is larger than the sum of its proper divisors (935386).

1087550 is a wasteful number, since it uses less digits than its factorization.

1087550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763 (or 21758 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1087550 is about 1042.8566536202. The cubic root of 1087550 is about 102.8370818092.

The spelling of 1087550 in words is "one million, eighty-seven thousand, five hundred fifty".