129622806 has 12 divisors (see below), whose sum is σ = 280849452. Its totient is φ = 43207596.

The previous prime is 129622799. The next prime is 129622847. The reversal of 129622806 is 608226921.

It is a happy number.

129622806 is a `hidden beast` number, since 1 + 29 + 622 + 8 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3600616 + ... + 3600651.

It is an arithmetic number, because the mean of its divisors is an integer number (23404121).

Almost surely, 2^129622806 is an apocalyptic number.

129622806 is an abundant number, since it is smaller than the sum of its proper divisors (151226646).

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

129622806 is a wasteful number, since it uses less digits than its factorization.

129622806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201275 (or 7201272 counting only the distinct ones).

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

The square root of 129622806 is about 11385.2011839932. The cubic root of 129622806 is about 506.0892815841.

The spelling of 129622806 in words is "one hundred twenty-nine million, six hundred twenty-two thousand, eight hundred six".