4225121042 has 8 divisors (see below), whose sum is σ = 6375632256. Its totient is φ = 2099910292.

The previous prime is 4225121009. The next prime is 4225121051. The reversal of 4225121042 is 2401215224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4225120999 and 4225121017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6324698 + ... + 6325365.

It is an arithmetic number, because the mean of its divisors is an integer number (796954032).

Almost surely, 2^4225121042 is an apocalyptic number.

4225121042 is a deficient number, since it is larger than the sum of its proper divisors (2150511214).

4225121042 is a wasteful number, since it uses less digits than its factorization.

4225121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650232.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4225121042 is about 65000.9310856391. The cubic root of 4225121042 is about 1616.6390006437.

Adding to 4225121042 its reverse (2401215224), we get a palindrome (6626336266).

The spelling of 4225121042 in words is "four billion, two hundred twenty-five million, one hundred twenty-one thousand, forty-two".