122231287 has 2 divisors, whose sum is σ = 122231288. Its totient is φ = 122231286.

The previous prime is 122231281. The next prime is 122231293. The reversal of 122231287 is 782132221.

It is a balanced prime because it is at equal distance from previous prime (122231281) and next prime (122231293).

It is a cyclic number.

It is not a de Polignac number, because 122231287 - 2³ = 122231279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122231281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115643 + 61115644.

It is an arithmetic number, because the mean of its divisors is an integer number (61115644).

Almost surely, 2^122231287 is an apocalyptic number.

122231287 is a deficient number, since it is larger than the sum of its proper divisors (1).

122231287 is an equidigital number, since it uses as much as digits as its factorization.

122231287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 122231287 is about 11055.8259302505. The cubic root of 122231287 is about 496.2807861584.

The spelling of 122231287 in words is "one hundred twenty-two million, two hundred thirty-one thousand, two hundred eighty-seven".