4125122 has 4 divisors (see below), whose sum is σ = 6187686. Its totient is φ = 2062560.

The previous prime is 4125113. The next prime is 4125127. The reversal of 4125122 is 2215214.

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

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 8281 = 2029^2 + 91^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4125122.

It is not an unprimeable number, because it can be changed into a prime (4125127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031279 + ... + 1031282.

Almost surely, 2^4125122 is an apocalyptic number.

4125122 is a deficient number, since it is larger than the sum of its proper divisors (2062564).

4125122 is a wasteful number, since it uses less digits than its factorization.

4125122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062563.

The product of its digits is 160, while the sum is 17.

The square root of 4125122 is about 2031.0396352607. The cubic root of 4125122 is about 160.3782975718.

The spelling of 4125122 in words is "four million, one hundred twenty-five thousand, one hundred twenty-two".