1088791 has 4 divisors (see below), whose sum is σ = 1187784. Its totient is φ = 989800.

The previous prime is 1088783. The next prime is 1088807. The reversal of 1088791 is 1978801.

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

It is a cyclic number.

It is not a de Polignac number, because 1088791 - 2³ = 1088783 is a prime.

It is a Duffinian number.

1088791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088761) 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, 49480 + ... + 49501.

It is an arithmetic number, because the mean of its divisors is an integer number (296946).

2^1088791 is an apocalyptic number.

1088791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1088791 is a deficient number, since it is larger than the sum of its proper divisors (98993).

1088791 is an equidigital number, since it uses as much as digits as its factorization.

1088791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98992.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1088791 is about 1043.4514842579. The cubic root of 1088791 is about 102.8761826342.

The spelling of 1088791 in words is "one million, eighty-eight thousand, seven hundred ninety-one".