4122542 has 4 divisors (see below), whose sum is σ = 6183816. Its totient is φ = 2061270.

The previous prime is 4122493. The next prime is 4122557. The reversal of 4122542 is 2452214.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030634 + ... + 1030637.

It is an arithmetic number, because the mean of its divisors is an integer number (1545954).

Almost surely, 2^4122542 is an apocalyptic number.

4122542 is a deficient number, since it is larger than the sum of its proper divisors (2061274).

4122542 is a wasteful number, since it uses less digits than its factorization.

4122542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061273.

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

The square root of 4122542 is about 2030.4043932183. The cubic root of 4122542 is about 160.3448551426.

Adding to 4122542 its reverse (2452214), we get a palindrome (6574756).

It can be divided in two parts, 4122 and 542, that added together give a palindrome (4664).

The spelling of 4122542 in words is "four million, one hundred twenty-two thousand, five hundred forty-two".