129234496 has 14 divisors (see below), whose sum is σ = 256449830. Its totient is φ = 64617216.

The previous prime is 129234467. The next prime is 129234529. The reversal of 129234496 is 694432921.

It can be written as a sum of positive squares in only one way, i.e., 75064896 + 54169600 = 8664^2 + 7360^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009581 + ... + 1009708.

It is an arithmetic number, because the mean of its divisors is an integer number (18317845).

Almost surely, 2^129234496 is an apocalyptic number.

129234496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129234496 is a deficient number, since it is larger than the sum of its proper divisors (127215334).

129234496 is an equidigital number, since it uses as much as digits as its factorization.

129234496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019301 (or 2019291 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 129234496 is about 11368.1351153124. The cubic root of 129234496 is about 505.5834135722.

The spelling of 129234496 in words is "one hundred twenty-nine million, two hundred thirty-four thousand, four hundred ninety-six".