128822467 has 2 divisors, whose sum is σ = 128822468. Its totient is φ = 128822466.

The previous prime is 128822461. The next prime is 128822497. The reversal of 128822467 is 764228821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128822467 - 2¹⁵ = 128789699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128822461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64411233 + 64411234.

It is an arithmetic number, because the mean of its divisors is an integer number (64411234).

Almost surely, 2^128822467 is an apocalyptic number.

128822467 is a deficient number, since it is larger than the sum of its proper divisors (1).

128822467 is an equidigital number, since it uses as much as digits as its factorization.

128822467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 40.

The square root of 128822467 is about 11349.9985462554. The cubic root of 128822467 is about 505.0455365271.

The spelling of 128822467 in words is "one hundred twenty-eight million, eight hundred twenty-two thousand, four hundred sixty-seven".