129575033 has 8 divisors (see below), whose sum is σ = 150596160. Its totient is φ = 109181520.

The previous prime is 129575029. The next prime is 129575051. The reversal of 129575033 is 330575921.

It is a happy number.

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

It is not a de Polignac number, because 129575033 - 2² = 129575029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129574984 and 129575002.

It is not an unprimeable number, because it can be changed into a prime (129575023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156458 + ... + 157283.

It is an arithmetic number, because the mean of its divisors is an integer number (18824520).

Almost surely, 2^129575033 is an apocalyptic number.

It is an amenable number.

129575033 is a deficient number, since it is larger than the sum of its proper divisors (21021127).

129575033 is an equidigital number, since it uses as much as digits as its factorization.

129575033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313807.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 129575033 is about 11383.1029600896. The cubic root of 129575033 is about 506.0271002061.

The spelling of 129575033 in words is "one hundred twenty-nine million, five hundred seventy-five thousand, thirty-three".