1096981 has 2 divisors, whose sum is σ = 1096982. Its totient is φ = 1096980.

The previous prime is 1096969. The next prime is 1096999. The reversal of 1096981 is 1896901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 194481 = 950^2 + 441^2 .

It is an emirp because it is prime and its reverse (1896901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1096981 - 2⁷ = 1096853 is a prime.

It is a super-2 number, since 2×1096981² = 2406734628722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1096951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548490 + 548491.

It is an arithmetic number, because the mean of its divisors is an integer number (548491).

2^1096981 is an apocalyptic number.

It is an amenable number.

1096981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1096981 is an equidigital number, since it uses as much as digits as its factorization.

1096981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1096981 is about 1047.3686075112. The cubic root of 1096981 is about 103.1334870273.

The spelling of 1096981 in words is "one million, ninety-six thousand, nine hundred eighty-one".