4522120142 has 4 divisors (see below), whose sum is σ = 6783180216. Its totient is φ = 2261060070.

The previous prime is 4522120129. The next prime is 4522120147. The reversal of 4522120142 is 2410212254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2410212254 = 2 ⋅1205106127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130530034 + ... + 1130530037.

It is an arithmetic number, because the mean of its divisors is an integer number (1695795054).

Almost surely, 2^4522120142 is an apocalyptic number.

4522120142 is a deficient number, since it is larger than the sum of its proper divisors (2261060074).

4522120142 is a wasteful number, since it uses less digits than its factorization.

4522120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261060073.

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

The square root of 4522120142 is about 67246.7110125097. The cubic root of 4522120142 is about 1653.6643558803.

Adding to 4522120142 its reverse (2410212254), we get a palindrome (6932332396).

The spelling of 4522120142 in words is "four billion, five hundred twenty-two million, one hundred twenty thousand, one hundred forty-two".