124021220255 has 16 divisors (see below), whose sum is σ = 156813153120. Its totient is φ = 93902168448.

The previous prime is 124021220243. The next prime is 124021220261. The reversal of 124021220255 is 552022120421.

It is not a de Polignac number, because 124021220255 - 2⁸ = 124021219999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548132 + ... + 740601.

It is an arithmetic number, because the mean of its divisors is an integer number (9800822070).

Almost surely, 2^124021220255 is an apocalyptic number.

124021220255 is a deficient number, since it is larger than the sum of its proper divisors (32791932865).

124021220255 is a wasteful number, since it uses less digits than its factorization.

124021220255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289770.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 124021220255 its reverse (552022120421), we get a palindrome (676043340676).

The spelling of 124021220255 in words is "one hundred twenty-four billion, twenty-one million, two hundred twenty thousand, two hundred fifty-five".