129270682 has 8 divisors (see below), whose sum is σ = 200161152. Its totient is φ = 62550300.

The previous prime is 129270667. The next prime is 129270683. The reversal of 129270682 is 286072921.

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

It is not an unprimeable number, because it can be changed into a prime (129270683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042444 + ... + 1042567.

It is an arithmetic number, because the mean of its divisors is an integer number (25020144).

Almost surely, 2^129270682 is an apocalyptic number.

129270682 is a deficient number, since it is larger than the sum of its proper divisors (70890470).

129270682 is a wasteful number, since it uses less digits than its factorization.

129270682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085044.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 129270682 is about 11369.7265578377. The cubic root of 129270682 is about 505.6305973987.

The spelling of 129270682 in words is "one hundred twenty-nine million, two hundred seventy thousand, six hundred eighty-two".