124040255 has 4 divisors (see below), whose sum is σ = 148848312. Its totient is φ = 99232200.

The previous prime is 124040239. The next prime is 124040261. The reversal of 124040255 is 552040421.

It is a happy number.

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

It is not a de Polignac number, because 124040255 - 2⁴ = 124040239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124040255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12404021 + ... + 12404030.

It is an arithmetic number, because the mean of its divisors is an integer number (37212078).

Almost surely, 2^124040255 is an apocalyptic number.

124040255 is a deficient number, since it is larger than the sum of its proper divisors (24808057).

124040255 is an equidigital number, since it uses as much as digits as its factorization.

124040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24808056.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 124040255 is about 11137.3360818465. The cubic root of 124040255 is about 498.7170508988.

Adding to 124040255 its reverse (552040421), we get a palindrome (676080676).

The spelling of 124040255 in words is "one hundred twenty-four million, forty thousand, two hundred fifty-five".