1001062081 has 2 divisors, whose sum is σ = 1001062082. Its totient is φ = 1001062080.

The previous prime is 1001062043. The next prime is 1001062091. The reversal of 1001062081 is 1802601001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726033025 + 275029056 = 26945^2 + 16584^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001062081 - 2¹⁵ = 1001029313 is a prime.

It is a super-2 number, since 2×1001062081² = 2004250580032101122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001062091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500531040 + 500531041.

It is an arithmetic number, because the mean of its divisors is an integer number (500531041).

Almost surely, 2^1001062081 is an apocalyptic number.

It is an amenable number.

1001062081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001062081 is an equidigital number, since it uses as much as digits as its factorization.

1001062081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1001062081 is about 31639.5651202731. The cubic root of 1001062081 is about 1000.3539017388.

Adding to 1001062081 its reverse (1802601001), we get a palindrome (2803663082).

The spelling of 1001062081 in words is "one billion, one million, sixty-two thousand, eighty-one".