121724826476479 has 16 divisors (see below), whose sum is σ = 123224050656000. Its totient is φ = 120228539777280.

The previous prime is 121724826476471. The next prime is 121724826476489. The reversal of 121724826476479 is 974674628427121.

It is a cyclic number.

It is not a de Polignac number, because 121724826476479 - 2³ = 121724826476471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121724826476471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087552977 + ... + 2087611285.

It is an arithmetic number, because the mean of its divisors is an integer number (7701503166000).

Almost surely, 2^{121724826476479} is an apocalyptic number.

121724826476479 is a deficient number, since it is larger than the sum of its proper divisors (1499224179521).

121724826476479 is an equidigital number, since it uses as much as digits as its factorization.

121724826476479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83058.

The product of its digits is 455196672, while the sum is 70.

The spelling of 121724826476479 in words is "one hundred twenty-one trillion, seven hundred twenty-four billion, eight hundred twenty-six million, four hundred seventy-six thousand, four hundred seventy-nine".