129424354126 has 8 divisors (see below), whose sum is σ = 197034091560. Its totient is φ = 63746323608.

The previous prime is 129424354097. The next prime is 129424354133. The reversal of 129424354126 is 621453424921.

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

It is a congruent number.

It is an unprimeable number.

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, 482926561 + ... + 482926828.

It is an arithmetic number, because the mean of its divisors is an integer number (24629261445).

Almost surely, 2^129424354126 is an apocalyptic number.

129424354126 is a deficient number, since it is larger than the sum of its proper divisors (67609737434).

129424354126 is an equidigital number, since it uses as much as digits as its factorization.

129424354126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965853458.

The product of its digits is 414720, while the sum is 43.

The spelling of 129424354126 in words is "one hundred twenty-nine billion, four hundred twenty-four million, three hundred fifty-four thousand, one hundred twenty-six".