129242883 has 48 divisors (see below), whose sum is σ = 227951360. Its totient is φ = 63581760.

The previous prime is 129242851. The next prime is 129242909. The reversal of 129242883 is 388242921.

It is not a de Polignac number, because 129242883 - 2⁵ = 129242851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129242683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46941 + ... + 49617.

Almost surely, 2^129242883 is an apocalyptic number.

129242883 is a deficient number, since it is larger than the sum of its proper divisors (98708477).

129242883 is a wasteful number, since it uses less digits than its factorization.

129242883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2717 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 129242883 is about 11368.5039912910. The cubic root of 129242883 is about 505.5943503744.

The spelling of 129242883 in words is "one hundred twenty-nine million, two hundred forty-two thousand, eight hundred eighty-three".