118202891 has 2 divisors, whose sum is σ = 118202892. Its totient is φ = 118202890.

The previous prime is 118202867. The next prime is 118202893. The reversal of 118202891 is 198202811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118202891 is a prime.

Together with 118202893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118202893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59101445 + 59101446.

It is an arithmetic number, because the mean of its divisors is an integer number (59101446).

Almost surely, 2^118202891 is an apocalyptic number.

118202891 is a deficient number, since it is larger than the sum of its proper divisors (1).

118202891 is an equidigital number, since it uses as much as digits as its factorization.

118202891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 118202891 is about 10872.1152955623. The cubic root of 118202891 is about 490.7677690235.

The spelling of 118202891 in words is "one hundred eighteen million, two hundred two thousand, eight hundred ninety-one".