129085282 has 8 divisors (see below), whose sum is σ = 196518096. Its totient is φ = 63579252.

The previous prime is 129085279. The next prime is 129085303. The reversal of 129085282 is 282580921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481528 + ... + 481795.

It is an arithmetic number, because the mean of its divisors is an integer number (24564762).

Almost surely, 2^129085282 is an apocalyptic number.

129085282 is a deficient number, since it is larger than the sum of its proper divisors (67432814).

129085282 is an equidigital number, since it uses as much as digits as its factorization.

129085282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963392.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 129085282 is about 11361.5704020175. The cubic root of 129085282 is about 505.3887566274.

The spelling of 129085282 in words is "one hundred twenty-nine million, eighty-five thousand, two hundred eighty-two".