122001287 has 2 divisors, whose sum is σ = 122001288. Its totient is φ = 122001286.

The previous prime is 122001259. The next prime is 122001301. The reversal of 122001287 is 782100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122001287 - 2¹⁴ = 121984903 is a prime.

122001287 is a modest number, since divided by 1287 gives 122 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000643 + 61000644.

It is an arithmetic number, because the mean of its divisors is an integer number (61000644).

Almost surely, 2^122001287 is an apocalyptic number.

122001287 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001287 is an equidigital number, since it uses as much as digits as its factorization.

122001287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 122001287 is about 11045.4192767862. The cubic root of 122001287 is about 495.9693103952.

The spelling of 122001287 in words is "one hundred twenty-two million, one thousand, two hundred eighty-seven".