1030681 has 2 divisors, whose sum is σ = 1030682. Its totient is φ = 1030680.

The previous prime is 1030643. The next prime is 1030703. The reversal of 1030681 is 1860301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 416025 = 784^2 + 645^2 .

It is an emirp because it is prime and its reverse (1860301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030681 - 2¹⁹ = 506393 is a prime.

It is a super-2 number, since 2×1030681² = 2124606647522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1030181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515340 + 515341.

It is an arithmetic number, because the mean of its divisors is an integer number (515341).

2^1030681 is an apocalyptic number.

It is an amenable number.

1030681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030681 is an equidigital number, since it uses as much as digits as its factorization.

1030681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1030681 is about 1015.2246056908. The cubic root of 1030681 is about 101.0124155570.

Adding to 1030681 its reverse (1860301), we get a palindrome (2890982).

It can be divided in two parts, 1030 and 681, that added together give a triangular number (1711 = T₅₈).

The spelling of 1030681 in words is "one million, thirty thousand, six hundred eighty-one".