4125142442 has 16 divisors (see below), whose sum is σ = 6250313160. Its totient is φ = 2041807872.

The previous prime is 4125142423. The next prime is 4125142453. The reversal of 4125142442 is 2442415214.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2925836281 + 1199306161 = 54091^2 + 34631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55034 + ... + 106202.

Almost surely, 2^4125142442 is an apocalyptic number.

4125142442 is a deficient number, since it is larger than the sum of its proper divisors (2125170718).

4125142442 is a wasteful number, since it uses less digits than its factorization.

4125142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51577.

The product of its digits is 10240, while the sum is 29.

The square root of 4125142442 is about 64227.2717932188. The cubic root of 4125142442 is about 1603.7856248907.

Adding to 4125142442 its reverse (2442415214), we get a palindrome (6567557656).

The spelling of 4125142442 in words is "four billion, one hundred twenty-five million, one hundred forty-two thousand, four hundred forty-two".