4140123 has 16 divisors (see below), whose sum is σ = 6021120. Its totient is φ = 2515104.

The previous prime is 4140121. The next prime is 4140133. The reversal of 4140123 is 3210414.

It is not a de Polignac number, because 4140123 - 2¹ = 4140121 is a prime.

4140123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4140121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (376320).

Almost surely, 2^4140123 is an apocalyptic number.

4140123 is a deficient number, since it is larger than the sum of its proper divisors (1880997).

4140123 is a wasteful number, since it uses less digits than its factorization.

4140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4140123 is about 2034.7292203141. The cubic root of 4140123 is about 160.5724675421.

Adding to 4140123 its reverse (3210414), we get a palindrome (7350537).

The spelling of 4140123 in words is "four million, one hundred forty thousand, one hundred twenty-three".