4129049 has 4 divisors (see below), whose sum is σ = 4271460. Its totient is φ = 3986640.

The previous prime is 4129039. The next prime is 4129057. The reversal of 4129049 is 9409214.

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 2155024 + 1974025 = 1468^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 4129049 - 2⁴ = 4129033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 142381 = 4129049 / (4 + 1 + 2 + 9 + 0 + 4 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4129039) 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, 71162 + ... + 71219.

It is an arithmetic number, because the mean of its divisors is an integer number (1067865).

Almost surely, 2^4129049 is an apocalyptic number.

It is an amenable number.

4129049 is a deficient number, since it is larger than the sum of its proper divisors (142411).

4129049 is a wasteful number, since it uses less digits than its factorization.

4129049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142410.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4129049 is about 2032.0061515655. The cubic root of 4129049 is about 160.4291733058.

The spelling of 4129049 in words is "four million, one hundred twenty-nine thousand, forty-nine".