129083452 has 12 divisors (see below), whose sum is σ = 235717776. Its totient is φ = 61735520.

The previous prime is 129083447. The next prime is 129083453. The reversal of 129083452 is 254380921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129083453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701449 + ... + 701632.

It is an arithmetic number, because the mean of its divisors is an integer number (19643148).

Almost surely, 2^129083452 is an apocalyptic number.

It is an amenable number.

129083452 is a deficient number, since it is larger than the sum of its proper divisors (106634324).

129083452 is a wasteful number, since it uses less digits than its factorization.

129083452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403108 (or 1403106 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 129083452 is about 11361.4898670905. The cubic root of 129083452 is about 505.3863683722.

The spelling of 129083452 in words is "one hundred twenty-nine million, eighty-three thousand, four hundred fifty-two".