1087193 has 4 divisors (see below), whose sum is σ = 1105680. Its totient is φ = 1068708.

The previous prime is 1087159. The next prime is 1087231. The reversal of 1087193 is 3917801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1087193 - 2⁶ = 1087129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1083193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9155 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (276420).

2^1087193 is an apocalyptic number.

It is an amenable number.

1087193 is a deficient number, since it is larger than the sum of its proper divisors (18487).

1087193 is an equidigital number, since it uses as much as digits as its factorization.

1087193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1087193 is about 1042.6854751074. The cubic root of 1087193 is about 102.8258281179.

The spelling of 1087193 in words is "one million, eighty-seven thousand, one hundred ninety-three".