1117500073 has 2 divisors, whose sum is σ = 1117500074. Its totient is φ = 1117500072.

The previous prime is 1117500037. The next prime is 1117500101. The reversal of 1117500073 is 3700057111.

Together with previous prime (1117500037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810654784 + 306845289 = 28472^2 + 17517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117500073 - 2²⁵ = 1083945641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117500173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558750036 + 558750037.

It is an arithmetic number, because the mean of its divisors is an integer number (558750037).

Almost surely, 2^1117500073 is an apocalyptic number.

It is an amenable number.

1117500073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117500073 is an equidigital number, since it uses as much as digits as its factorization.

1117500073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 1117500073 is about 33429.0303927589. The cubic root of 1117500073 is about 1037.7255747577.

Adding to 1117500073 its reverse (3700057111), we get a palindrome (4817557184).

The spelling of 1117500073 in words is "one billion, one hundred seventeen million, five hundred thousand, seventy-three".