121420548320 has 48 divisors (see below), whose sum is σ = 286876906848. Its totient is φ = 48564687360.

The previous prime is 121420548299. The next prime is 121420548329. The reversal of 121420548320 is 23845024121.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121420548329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144925 + ... + 4174115.

It is an arithmetic number, because the mean of its divisors is an integer number (5976602226).

Almost surely, 2^121420548320 is an apocalyptic number.

121420548320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121420548320 is an abundant number, since it is smaller than the sum of its proper divisors (165456358528).

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

121420548320 is a wasteful number, since it uses less digits than its factorization.

121420548320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55203 (or 55195 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 121420548320 in words is "one hundred twenty-one billion, four hundred twenty million, five hundred forty-eight thousand, three hundred twenty".