3201129129 has 16 divisors (see below), whose sum is σ = 4668491520. Its totient is φ = 1934951760.

The previous prime is 3201129103. The next prime is 3201129133. The reversal of 3201129129 is 9219211023.

It is a de Polignac number, because none of the positive numbers 2^k-3201129129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3201129096 and 3201129105.

It is not an unprimeable number, because it can be changed into a prime (3201129179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115467 + ... + 140480.

It is an arithmetic number, because the mean of its divisors is an integer number (291780720).

Almost surely, 2^3201129129 is an apocalyptic number.

It is an amenable number.

3201129129 is a deficient number, since it is larger than the sum of its proper divisors (1467362391).

3201129129 is a wasteful number, since it uses less digits than its factorization.

3201129129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256340.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3201129129 is about 56578.5217993542. The cubic root of 3201129129 is about 1473.7859018578.

The spelling of 3201129129 in words is "three billion, two hundred one million, one hundred twenty-nine thousand, one hundred twenty-nine".