1087078 has 4 divisors (see below), whose sum is σ = 1630620. Its totient is φ = 543538.

The previous prime is 1087061. The next prime is 1087091. The reversal of 1087078 is 8707801.

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

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271768 + ... + 271771.

It is an arithmetic number, because the mean of its divisors is an integer number (407655).

2^1087078 is an apocalyptic number.

1087078 is a deficient number, since it is larger than the sum of its proper divisors (543542).

1087078 is an equidigital number, since it uses as much as digits as its factorization.

1087078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543541.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1087078 is about 1042.6303275850. The cubic root of 1087078 is about 102.8222024546.

The spelling of 1087078 in words is "one million, eighty-seven thousand, seventy-eight".