124221360655 has 32 divisors (see below), whose sum is σ = 176453706240. Its totient is φ = 82141153920.

The previous prime is 124221360607. The next prime is 124221360709. The reversal of 124221360655 is 556063122421.

It is not a de Polignac number, because 124221360655 - 2²¹ = 124219263503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747712 + ... + 898618.

It is an arithmetic number, because the mean of its divisors is an integer number (5514178320).

Almost surely, 2^124221360655 is an apocalyptic number.

124221360655 is a deficient number, since it is larger than the sum of its proper divisors (52232345585).

124221360655 is a wasteful number, since it uses less digits than its factorization.

124221360655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151759.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 124221360655 in words is "one hundred twenty-four billion, two hundred twenty-one million, three hundred sixty thousand, six hundred fifty-five".