129096726 has 16 divisors (see below), whose sum is σ = 281665728. Its totient is φ = 39120200.

The previous prime is 129096713. The next prime is 129096749. The reversal of 129096726 is 627690921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977940 + ... + 978071.

It is an arithmetic number, because the mean of its divisors is an integer number (17604108).

Almost surely, 2^129096726 is an apocalyptic number.

129096726 is an abundant number, since it is smaller than the sum of its proper divisors (152569002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129096726 is a wasteful number, since it uses less digits than its factorization.

129096726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956027.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 129096726 is about 11362.0740184176. The cubic root of 129096726 is about 505.4036911935.

The spelling of 129096726 in words is "one hundred twenty-nine million, ninety-six thousand, seven hundred twenty-six".