111842207 has 2 divisors, whose sum is σ = 111842208. Its totient is φ = 111842206.

The previous prime is 111842191. The next prime is 111842209. The reversal of 111842207 is 702248111.

It is a strong prime.

It is an emirp because it is prime and its reverse (702248111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111842207 - 2⁴ = 111842191 is a prime.

Together with 111842209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111842209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55921103 + 55921104.

It is an arithmetic number, because the mean of its divisors is an integer number (55921104).

Almost surely, 2^111842207 is an apocalyptic number.

111842207 is a deficient number, since it is larger than the sum of its proper divisors (1).

111842207 is an equidigital number, since it uses as much as digits as its factorization.

111842207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 111842207 is about 10575.5475981152. The cubic root of 111842207 is about 481.8019752653.

The spelling of 111842207 in words is "one hundred eleven million, eight hundred forty-two thousand, two hundred seven".