129826922 has 8 divisors (see below), whose sum is σ = 194830272. Its totient is φ = 64883500.

The previous prime is 129826903. The next prime is 129826937. The reversal of 129826922 is 229628921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 129826922.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9104 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (24353784).

Almost surely, 2^129826922 is an apocalyptic number.

129826922 is a deficient number, since it is larger than the sum of its proper divisors (65003350).

129826922 is a wasteful number, since it uses less digits than its factorization.

129826922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29964.

The product of its digits is 62208, while the sum is 41.

The square root of 129826922 is about 11394.1617506511. The cubic root of 129826922 is about 506.3547871897.

The spelling of 129826922 in words is "one hundred twenty-nine million, eight hundred twenty-six thousand, nine hundred twenty-two".