129467087 has 6 divisors (see below), whose sum is σ = 137531088. Its totient is φ = 121851104.

The previous prime is 129467059. The next prime is 129467099. The reversal of 129467087 is 780764921.

It is a de Polignac number, because none of the positive numbers 2^k-129467087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129467057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223703 + ... + 224280.

It is an arithmetic number, because the mean of its divisors is an integer number (22921848).

Almost surely, 2^129467087 is an apocalyptic number.

129467087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

129467087 is a deficient number, since it is larger than the sum of its proper divisors (8064001).

129467087 is an equidigital number, since it uses as much as digits as its factorization.

129467087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448017 (or 448000 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 129467087 is about 11378.3604706478. The cubic root of 129467087 is about 505.8865412942.

The spelling of 129467087 in words is "one hundred twenty-nine million, four hundred sixty-seven thousand, eighty-seven".