1117903001 has 2 divisors, whose sum is σ = 1117903002. Its totient is φ = 1117903000.

The previous prime is 1117902917. The next prime is 1117903021. The reversal of 1117903001 is 1003097111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895445776 + 222457225 = 29924^2 + 14915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117903001 - 2¹⁰ = 1117901977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117903021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558951500 + 558951501.

It is an arithmetic number, because the mean of its divisors is an integer number (558951501).

Almost surely, 2^1117903001 is an apocalyptic number.

It is an amenable number.

1117903001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117903001 is an equidigital number, since it uses as much as digits as its factorization.

1117903001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 1117903001 is about 33435.0564677256. The cubic root of 1117903001 is about 1037.8502812214.

The spelling of 1117903001 in words is "one billion, one hundred seventeen million, nine hundred three thousand, one".