122387 has 2 divisors, whose sum is σ = 122388. Its totient is φ = 122386.

The previous prime is 122363. The next prime is 122389. The reversal of 122387 is 783221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122387 - 2⁶ = 122323 is a prime.

Together with 122389, 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 (122389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61193 + 61194.

It is an arithmetic number, because the mean of its divisors is an integer number (61194).

2¹²²³⁸⁷ is an apocalyptic number.

122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

122387 is an equidigital number, since it uses as much as digits as its factorization.

122387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 122387 is about 349.8385341840. The cubic root of 122387 is about 49.6491437567.

The spelling of 122387 in words is "one hundred twenty-two thousand, three hundred eighty-seven".