2520123142 has 16 divisors (see below), whose sum is σ = 3931027200. Its totient is φ = 1210236160.

The previous prime is 2520123079. The next prime is 2520123149. The reversal of 2520123142 is 2413210252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520123149) 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 in 7 ways as a sum of consecutive naturals, for example, 102667 + ... + 124822.

It is an arithmetic number, because the mean of its divisors is an integer number (245689200).

Almost surely, 2^2520123142 is an apocalyptic number.

2520123142 is a deficient number, since it is larger than the sum of its proper divisors (1410904058).

2520123142 is a wasteful number, since it uses less digits than its factorization.

2520123142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227711.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2520123142 is about 50200.8281007395. The cubic root of 2520123142 is about 1360.8405886897.

Adding to 2520123142 its reverse (2413210252), we get a palindrome (4933333394).

The spelling of 2520123142 in words is "two billion, five hundred twenty million, one hundred twenty-three thousand, one hundred forty-two".