4122187 has 2 divisors, whose sum is σ = 4122188. Its totient is φ = 4122186.

The previous prime is 4122179. The next prime is 4122227. The reversal of 4122187 is 7812214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4122187 - 2³ = 4122179 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4120187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061093 + 2061094.

It is an arithmetic number, because the mean of its divisors is an integer number (2061094).

Almost surely, 2^4122187 is an apocalyptic number.

4122187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122187 is an equidigital number, since it uses as much as digits as its factorization.

4122187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 25.

The square root of 4122187 is about 2030.3169703275. The cubic root of 4122187 is about 160.3402524762.

The spelling of 4122187 in words is "four million, one hundred twenty-two thousand, one hundred eighty-seven".