129463922 has 8 divisors (see below), whose sum is σ = 221938176. Its totient is φ = 55484532.

The previous prime is 129463909. The next prime is 129463931. The reversal of 129463922 is 229364921.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4623698 + ... + 4623725.

It is an arithmetic number, because the mean of its divisors is an integer number (27742272).

Almost surely, 2^129463922 is an apocalyptic number.

129463922 is a deficient number, since it is larger than the sum of its proper divisors (92474254).

129463922 is an equidigital number, since it uses as much as digits as its factorization.

129463922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247432.

The product of its digits is 46656, while the sum is 38.

The square root of 129463922 is about 11378.2213900064. The cubic root of 129463922 is about 505.8824188979.

Subtracting 129463922 from its reverse (229364921), we obtain a palindrome (99900999).

The spelling of 129463922 in words is "one hundred twenty-nine million, four hundred sixty-three thousand, nine hundred twenty-two".