1001103289 has 2 divisors, whose sum is σ = 1001103290. Its totient is φ = 1001103288.

The previous prime is 1001103241. The next prime is 1001103319. The reversal of 1001103289 is 9823011001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001089600 + 13689 = 31640^2 + 117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001103289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001103689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500551644 + 500551645.

It is an arithmetic number, because the mean of its divisors is an integer number (500551645).

Almost surely, 2^1001103289 is an apocalyptic number.

It is an amenable number.

1001103289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001103289 is an equidigital number, since it uses as much as digits as its factorization.

1001103289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1001103289 is about 31640.2163235336. The cubic root of 1001103289 is about 1000.3676278332.

The spelling of 1001103289 in words is "one billion, one million, one hundred three thousand, two hundred eighty-nine".