129036233 has 8 divisors (see below), whose sum is σ = 135240000. Its totient is φ = 122881968.

The previous prime is 129036227. The next prime is 129036253. The reversal of 129036233 is 332630921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129036233 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129036196 and 129036205.

It is not an unprimeable number, because it can be changed into a prime (129036203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6983 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (16905000).

Almost surely, 2^129036233 is an apocalyptic number.

It is an amenable number.

129036233 is a deficient number, since it is larger than the sum of its proper divisors (6203767).

129036233 is a wasteful number, since it uses less digits than its factorization.

129036233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24751.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 129036233 is about 11359.4116484966. The cubic root of 129036233 is about 505.3247370555.

The spelling of 129036233 in words is "one hundred twenty-nine million, thirty-six thousand, two hundred thirty-three".