1088091 has 6 divisors (see below), whose sum is σ = 1571700. Its totient is φ = 725388.

The previous prime is 1088089. The next prime is 1088093. The reversal of 1088091 is 1908801.

It is an interprime number because it is at equal distance from previous prime (1088089) and next prime (1088093).

It is not a de Polignac number, because 1088091 - 2¹ = 1088089 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1088093) 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, 60441 + ... + 60458.

It is an arithmetic number, because the mean of its divisors is an integer number (261950).

2^1088091 is an apocalyptic number.

1088091 is a deficient number, since it is larger than the sum of its proper divisors (483609).

1088091 is a wasteful number, since it uses less digits than its factorization.

1088091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120905 (or 120902 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1088091 is about 1043.1160050541. The cubic root of 1088091 is about 102.8541310295.

The spelling of 1088091 in words is "one million, eighty-eight thousand, ninety-one".