4125229 has 2 divisors, whose sum is σ = 4125230. Its totient is φ = 4125228.

The previous prime is 4125181. The next prime is 4125259. The reversal of 4125229 is 9225214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 133225 = 1998^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125229 - 2⁹ = 4124717 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062614 + 2062615.

It is an arithmetic number, because the mean of its divisors is an integer number (2062615).

Almost surely, 2^4125229 is an apocalyptic number.

It is an amenable number.

4125229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125229 is an equidigital number, since it uses as much as digits as its factorization.

4125229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 4125229 is about 2031.0659762795. The cubic root of 4125229 is about 160.3796842241.

It can be divided in two parts, 4125 and 229, that multiplied together give a triangular number (944625 = T₁₃₇₄).

The spelling of 4125229 in words is "four million, one hundred twenty-five thousand, two hundred twenty-nine".