1096681 has 4 divisors (see below), whose sum is σ = 1101700. Its totient is φ = 1091664.

The previous prime is 1096673. The next prime is 1096691. The reversal of 1096681 is 1866901.

1096681 = 740² + 741².

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 549081 + 547600 = 741^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096681 - 2³ = 1096673 is a prime.

It is a super-2 number, since 2×1096681² = 2405418431522, which contains 22 as substring.

It is a deceptive number, since it divides R_1096680.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1096621) 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, 2166 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (275425).

2^1096681 is an apocalyptic number.

1096681 is the 741-st centered square number.

It is an amenable number.

1096681 is a deficient number, since it is larger than the sum of its proper divisors (5019).

1096681 is an equidigital number, since it uses as much as digits as its factorization.

1096681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1096681 is about 1047.2253816634. The cubic root of 1096681 is about 103.1240845955.

The spelling of 1096681 in words is "one million, ninety-six thousand, six hundred eighty-one".