122065687 has 2 divisors, whose sum is σ = 122065688. Its totient is φ = 122065686.

The previous prime is 122065679. The next prime is 122065711. The reversal of 122065687 is 786560221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122065687 - 2³ = 122065679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122065607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61032843 + 61032844.

It is an arithmetic number, because the mean of its divisors is an integer number (61032844).

Almost surely, 2^122065687 is an apocalyptic number.

122065687 is a deficient number, since it is larger than the sum of its proper divisors (1).

122065687 is an equidigital number, since it uses as much as digits as its factorization.

122065687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 122065687 is about 11048.3341278222. The cubic root of 122065687 is about 496.0565630408.

The spelling of 122065687 in words is "one hundred twenty-two million, sixty-five thousand, six hundred eighty-seven".