1001369 has 2 divisors, whose sum is σ = 1001370. Its totient is φ = 1001368.

The previous prime is 1001353. The next prime is 1001381. The reversal of 1001369 is 9631001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 1369 = 1000^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001369 - 2⁴ = 1001353 is a prime.

It is a super-2 number, since 2×1001369² = 2005479748322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001369.

It is not a weakly prime, because it can be changed into another prime (1001389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500684 + 500685.

It is an arithmetic number, because the mean of its divisors is an integer number (500685).

2^1001369 is an apocalyptic number.

It is an amenable number.

1001369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001369 is an equidigital number, since it uses as much as digits as its factorization.

1001369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1001369 is about 1000.6842658901. The cubic root of 1001369 is about 100.0456125251.

It can be divided in two parts, 100 and 1369, that multiplied together give a square (136900 = 370²).

The spelling of 1001369 in words is "one million, one thousand, three hundred sixty-nine".