129488467 has 2 divisors, whose sum is σ = 129488468. Its totient is φ = 129488466.

The previous prime is 129488449. The next prime is 129488479. The reversal of 129488467 is 764884921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129488467 - 2⁷ = 129488339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129488467.

It is not a weakly prime, because it can be changed into another prime (129488417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64744233 + 64744234.

It is an arithmetic number, because the mean of its divisors is an integer number (64744234).

Almost surely, 2^129488467 is an apocalyptic number.

129488467 is a deficient number, since it is larger than the sum of its proper divisors (1).

129488467 is an equidigital number, since it uses as much as digits as its factorization.

129488467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 129488467 is about 11379.2999345302. The cubic root of 129488467 is about 505.9143868757.

The spelling of 129488467 in words is "one hundred twenty-nine million, four hundred eighty-eight thousand, four hundred sixty-seven".