129264903 has 10 divisors (see below), whose sum is σ = 193099544. Its totient is φ = 86176548.

The previous prime is 129264901. The next prime is 129264907. The reversal of 129264903 is 309462921.

129264903 is a `hidden beast` number, since 1 + 2 + 9 + 2 + 649 + 0 + 3 = 666.

It is not a de Polignac number, because 129264903 - 2¹ = 129264901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129264901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 797851 + ... + 798012.

Almost surely, 2^129264903 is an apocalyptic number.

129264903 is a deficient number, since it is larger than the sum of its proper divisors (63834641).

129264903 is an equidigital number, since it uses as much as digits as its factorization.

129264903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595875 (or 1595866 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 129264903 is about 11369.4724152003. The cubic root of 129264903 is about 505.6230626076.

The spelling of 129264903 in words is "one hundred twenty-nine million, two hundred sixty-four thousand, nine hundred three".