129048850 has 36 divisors (see below), whose sum is σ = 279224874. Its totient is φ = 44244480.

The previous prime is 129048841. The next prime is 129048863. The reversal of 129048850 is 58840921.

It can be written as a sum of positive squares in 3 ways, for example, as 90497169 + 38551681 = 9513^2 + 6209^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23887 + ... + 28786.

Almost surely, 2^129048850 is an apocalyptic number.

129048850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129048850 is an abundant number, since it is smaller than the sum of its proper divisors (150176024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129048850 is a wasteful number, since it uses less digits than its factorization.

129048850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52699 (or 52687 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 129048850 is about 11359.9669893887. The cubic root of 129048850 is about 505.3412065237.

The spelling of 129048850 in words is "one hundred twenty-nine million, forty-eight thousand, eight hundred fifty".