33042129 has 4 divisors (see below), whose sum is σ = 44056176. Its totient is φ = 22028084.

The previous prime is 33042109. The next prime is 33042131. The reversal of 33042129 is 92124033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33042129 - 2¹¹ = 33040081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33042099 and 33042108.

It is not an unprimeable number, because it can be changed into a prime (33042109) 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, 5507019 + ... + 5507024.

It is an arithmetic number, because the mean of its divisors is an integer number (11014044).

Almost surely, 2^33042129 is an apocalyptic number.

It is an amenable number.

33042129 is a deficient number, since it is larger than the sum of its proper divisors (11014047).

33042129 is a wasteful number, since it uses less digits than its factorization.

33042129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014046.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 33042129 is about 5748.2283357570. The cubic root of 33042129 is about 320.8898701213.

The spelling of 33042129 in words is "thirty-three million, forty-two thousand, one hundred twenty-nine".