4052129 has 4 divisors (see below), whose sum is σ = 4161684. Its totient is φ = 3942576.

The previous prime is 4052107. The next prime is 4052173. The reversal of 4052129 is 9212504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1817104 + 2235025 = 1348^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4052129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4052029) 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, 54722 + ... + 54795.

It is an arithmetic number, because the mean of its divisors is an integer number (1040421).

Almost surely, 2^4052129 is an apocalyptic number.

It is an amenable number.

4052129 is a deficient number, since it is larger than the sum of its proper divisors (109555).

4052129 is a wasteful number, since it uses less digits than its factorization.

4052129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109554.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4052129 is about 2012.9900645557. The cubic root of 4052129 is about 159.4267113500.

The spelling of 4052129 in words is "four million, fifty-two thousand, one hundred twenty-nine".