117841289 has 2 divisors, whose sum is σ = 117841290. Its totient is φ = 117841288.

The previous prime is 117841247. The next prime is 117841301. The reversal of 117841289 is 982148711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 8952064 = 10435^2 + 2992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117841289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117801289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58920644 + 58920645.

It is an arithmetic number, because the mean of its divisors is an integer number (58920645).

Almost surely, 2^117841289 is an apocalyptic number.

It is an amenable number.

117841289 is a deficient number, since it is larger than the sum of its proper divisors (1).

117841289 is an equidigital number, since it uses as much as digits as its factorization.

117841289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 41.

The square root of 117841289 is about 10855.4727672267. The cubic root of 117841289 is about 490.2668115148.

The spelling of 117841289 in words is "one hundred seventeen million, eight hundred forty-one thousand, two hundred eighty-nine".