1070981 has 2 divisors, whose sum is σ = 1070982. Its totient is φ = 1070980.

The previous prime is 1070947. The next prime is 1070987. The reversal of 1070981 is 1890701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 52900 = 1009^2 + 230^2 .

It is an emirp because it is prime and its reverse (1890701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1070981 - 2¹⁴ = 1054597 is a prime.

It is a super-2 number, since 2×1070981² = 2294000604722, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1070981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535490 + 535491.

It is an arithmetic number, because the mean of its divisors is an integer number (535491).

2^1070981 is an apocalyptic number.

It is an amenable number.

1070981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070981 is an equidigital number, since it uses as much as digits as its factorization.

1070981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1070981 is about 1034.8821188908. The cubic root of 1070981 is about 102.3121604407.

The spelling of 1070981 in words is "one million, seventy thousand, nine hundred eighty-one".