122313187 has 2 divisors, whose sum is σ = 122313188. Its totient is φ = 122313186.

The previous prime is 122313173. The next prime is 122313193. The reversal of 122313187 is 781313221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122313187 - 2¹¹ = 122311139 is a prime.

It is not a weakly prime, because it can be changed into another prime (122313137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156593 + 61156594.

It is an arithmetic number, because the mean of its divisors is an integer number (61156594).

Almost surely, 2^122313187 is an apocalyptic number.

122313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313187 is an equidigital number, since it uses as much as digits as its factorization.

122313187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 122313187 is about 11059.5292395291. The cubic root of 122313187 is about 496.3916042714.

It can be divided in two parts, 122313 and 187, that added together give a square (122500 = 350²).

The spelling of 122313187 in words is "one hundred twenty-two million, three hundred thirteen thousand, one hundred eighty-seven".