129002790284 has 12 divisors (see below), whose sum is σ = 225767756424. Its totient is φ = 64497717024.

The previous prime is 129002790271. The next prime is 129002790347. The reversal of 129002790284 is 482097200921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839849 + ... + 981504.

It is an arithmetic number, because the mean of its divisors is an integer number (18813979702).

Almost surely, 2^129002790284 is an apocalyptic number.

It is an amenable number.

129002790284 is a deficient number, since it is larger than the sum of its proper divisors (96764966140).

129002790284 is a wasteful number, since it uses less digits than its factorization.

129002790284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839064 (or 1839062 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 129002790284 in words is "one hundred twenty-nine billion, two million, seven hundred ninety thousand, two hundred eighty-four".