129079083 has 12 divisors (see below), whose sum is σ = 200204520. Its totient is φ = 73759392.

The previous prime is 129079081. The next prime is 129079091. The reversal of 129079083 is 380970921.

It is not a de Polignac number, because 129079083 - 2¹ = 129079081 is a prime.

It is a super-2 number, since 2×129079083² = 33322819336241778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129079081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438898 + ... + 439191.

It is an arithmetic number, because the mean of its divisors is an integer number (16683710).

Almost surely, 2^129079083 is an apocalyptic number.

129079083 is a deficient number, since it is larger than the sum of its proper divisors (71125437).

129079083 is an equidigital number, since it uses as much as digits as its factorization.

129079083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878106 (or 878099 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 129079083 is about 11361.2975931449. The cubic root of 129079083 is about 505.3806664847.

The spelling of 129079083 in words is "one hundred twenty-nine million, seventy-nine thousand, eighty-three".