1088931 has 4 divisors (see below), whose sum is σ = 1451912. Its totient is φ = 725952.

The previous prime is 1088917. The next prime is 1088933. The reversal of 1088931 is 1398801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1398801 = 3 ⋅466267.

It is not a de Polignac number, because 1088931 - 2⁹ = 1088419 is a prime.

It is a super-2 number, since 2×1088931² = 2371541445522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088933) 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, 181486 + ... + 181491.

It is an arithmetic number, because the mean of its divisors is an integer number (362978).

2^1088931 is an apocalyptic number.

1088931 is a deficient number, since it is larger than the sum of its proper divisors (362981).

1088931 is an equidigital number, since it uses as much as digits as its factorization.

1088931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362980.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1088931 is about 1043.5185671563. The cubic root of 1088931 is about 102.8805918209.

The spelling of 1088931 in words is "one million, eighty-eight thousand, nine hundred thirty-one".