129103882790 has 32 divisors (see below), whose sum is σ = 239051191680. Its totient is φ = 50171161600.

The previous prime is 129103882763. The next prime is 129103882829. The reversal of 129103882790 is 97288301921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560771 + ... + 756750.

It is an arithmetic number, because the mean of its divisors is an integer number (7470349740).

Almost surely, 2^129103882790 is an apocalyptic number.

129103882790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129103882790 is a deficient number, since it is larger than the sum of its proper divisors (109947308890).

129103882790 is a wasteful number, since it uses less digits than its factorization.

129103882790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317808.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 129103882790 in words is "one hundred twenty-nine billion, one hundred three million, eight hundred eighty-two thousand, seven hundred ninety".