4245122 has 16 divisors (see below), whose sum is σ = 7361280. Its totient is φ = 1798368.

The previous prime is 4245119. The next prime is 4245149. The reversal of 4245122 is 2215424.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 2¹⁴ + 4⁵ + 5⁴ + 1 + 2¹⁵ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4245094 and 4245103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (460080).

Almost surely, 2^4245122 is an apocalyptic number.

4245122 is a deficient number, since it is larger than the sum of its proper divisors (3116158).

4245122 is a wasteful number, since it uses less digits than its factorization.

4245122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505.

The product of its digits is 640, while the sum is 20.

The square root of 4245122 is about 2060.3693843581. The cubic root of 4245122 is about 161.9185944709.

The spelling of 4245122 in words is "four million, two hundred forty-five thousand, one hundred twenty-two".