122850187 has 2 divisors, whose sum is σ = 122850188. Its totient is φ = 122850186.

The previous prime is 122850163. The next prime is 122850191. The reversal of 122850187 is 781058221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122850187 - 2⁷ = 122850059 is a prime.

It is not a weakly prime, because it can be changed into another prime (122850487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61425093 + 61425094.

It is an arithmetic number, because the mean of its divisors is an integer number (61425094).

Almost surely, 2^122850187 is an apocalyptic number.

122850187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122850187 is an equidigital number, since it uses as much as digits as its factorization.

122850187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 122850187 is about 11083.7803568999. The cubic root of 122850187 is about 497.1169911369.

It can be divided in two parts, 12285018 and 7, that added together give a square (12285025 = 3505²).

The spelling of 122850187 in words is "one hundred twenty-two million, eight hundred fifty thousand, one hundred eighty-seven".