129006846 has 48 divisors (see below), whose sum is σ = 311547600. Its totient is φ = 38340864.

The previous prime is 129006833. The next prime is 129006847. The reversal of 129006846 is 648600921.

It is a self number, because there is not a number n which added to its sum of digits gives 129006846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129006847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5281 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (6490575).

Almost surely, 2^129006846 is an apocalyptic number.

129006846 is an abundant number, since it is smaller than the sum of its proper divisors (182540754).

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

129006846 is a wasteful number, since it uses less digits than its factorization.

129006846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233 (or 22230 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 129006846 is about 11358.1180659474. The cubic root of 129006846 is about 505.2863728814.

The spelling of 129006846 in words is "one hundred twenty-nine million, six thousand, eight hundred forty-six".