121479384560 has 40 divisors (see below), whose sum is σ = 282646436256. Its totient is φ = 48556163840.

The previous prime is 121479384541. The next prime is 121479384571. The reversal of 121479384560 is 65483974121.

It is a happy number.

121479384560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 121479384499 and 121479384508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446051 + ... + 664770.

It is a 1-persistent number, because it is pandigital, but 2⋅121479384560 = 242958769120 is not.

Almost surely, 2^121479384560 is an apocalyptic number.

121479384560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121479384560 is an abundant number, since it is smaller than the sum of its proper divisors (161167051696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121479384560 is a wasteful number, since it uses less digits than its factorization.

121479384560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112201 (or 1112195 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 121479384560 in words is "one hundred twenty-one billion, four hundred seventy-nine million, three hundred eighty-four thousand, five hundred sixty".