129290006 has 16 divisors (see below), whose sum is σ = 197274528. Its totient is φ = 63537600.

The previous prime is 129289991. The next prime is 129290009. The reversal of 129290006 is 600092921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129290009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51746 + ... + 54186.

It is an arithmetic number, because the mean of its divisors is an integer number (12329658).

Almost surely, 2^129290006 is an apocalyptic number.

129290006 is a deficient number, since it is larger than the sum of its proper divisors (67984522).

129290006 is a wasteful number, since it uses less digits than its factorization.

129290006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 129290006 is about 11370.5763266424. The cubic root of 129290006 is about 505.6557908370.

The spelling of 129290006 in words is "one hundred twenty-nine million, two hundred ninety thousand, six".