121886860479 has 32 divisors (see below), whose sum is σ = 172844457984. Its totient is φ = 76282160640.

The previous prime is 121886860471. The next prime is 121886860519. The reversal of 121886860479 is 974068688121.

It is not a de Polignac number, because 121886860479 - 2³ = 121886860471 is a prime.

It is a super-3 number, since 3×121886860479³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121886860471) by changing a digit.

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, 370537 + ... + 617309.

It is an arithmetic number, because the mean of its divisors is an integer number (5401389312).

Almost surely, 2^121886860479 is an apocalyptic number.

121886860479 is a deficient number, since it is larger than the sum of its proper divisors (50957597505).

121886860479 is a wasteful number, since it uses less digits than its factorization.

121886860479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246967.

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 121886860479 in words is "one hundred twenty-one billion, eight hundred eighty-six million, eight hundred sixty thousand, four hundred seventy-nine".