2540122 has 16 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 1162800.

The previous prime is 2540113. The next prime is 2540141. The reversal of 2540122 is 2210452.

It is a junction number, because it is equal to n+sod(n) for n = 2540096 and 2540105.

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, 3603 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

2^2540122 is an apocalyptic number.

2540122 is a deficient number, since it is larger than the sum of its proper divisors (1596710).

2540122 is a wasteful number, since it uses less digits than its factorization.

2540122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2540122 is about 1593.7760193954. The cubic root of 2540122 is about 136.4430834281.

Adding to 2540122 its reverse (2210452), we get a palindrome (4750574).

It can be divided in two parts, 2540 and 122, that added together give a palindrome (2662).

The spelling of 2540122 in words is "two million, five hundred forty thousand, one hundred twenty-two".