129878483 has 8 divisors (see below), whose sum is σ = 150221568. Its totient is φ = 109982664.

The previous prime is 129878479. The next prime is 129878491. The reversal of 129878483 is 384878921.

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

It is a cyclic number.

It is not a de Polignac number, because 129878483 - 2² = 129878479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129778483) 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, 111191 + ... + 112352.

It is an arithmetic number, because the mean of its divisors is an integer number (18777696).

Almost surely, 2^129878483 is an apocalyptic number.

129878483 is a deficient number, since it is larger than the sum of its proper divisors (20343085).

129878483 is an equidigital number, since it uses as much as digits as its factorization.

129878483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223633.

The product of its digits is 774144, while the sum is 50.

The square root of 129878483 is about 11396.4241321565. The cubic root of 129878483 is about 506.4218115614.

The spelling of 129878483 in words is "one hundred twenty-nine million, eight hundred seventy-eight thousand, four hundred eighty-three".