129922283 has 4 divisors (see below), whose sum is σ = 129975240. Its totient is φ = 129869328.

The previous prime is 129922237. The next prime is 129922297. The reversal of 129922283 is 382229921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129922283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129924283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22610 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (32493810).

Almost surely, 2^129922283 is an apocalyptic number.

129922283 is a deficient number, since it is larger than the sum of its proper divisors (52957).

129922283 is an equidigital number, since it uses as much as digits as its factorization.

129922283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52956.

The product of its digits is 31104, while the sum is 38.

The square root of 129922283 is about 11398.3456255722. The cubic root of 129922283 is about 506.4787334416.

The spelling of 129922283 in words is "one hundred twenty-nine million, nine hundred twenty-two thousand, two hundred eighty-three".