120421360 has 80 divisors (see below), whose sum is σ = 294266880. Its totient is φ = 45768960.

The previous prime is 120421333. The next prime is 120421393. The reversal of 120421360 is 63124021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145909 + ... + 146731.

It is an arithmetic number, because the mean of its divisors is an integer number (3678336).

Almost surely, 2^120421360 is an apocalyptic number.

120421360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147133440).

120421360 is an abundant number, since it is smaller than the sum of its proper divisors (173845520).

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

120421360 is a wasteful number, since it uses less digits than its factorization.

120421360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 120421360 is about 10973.6666616040. Note that the first 5 decimals coincide. The cubic root of 120421360 is about 493.8190533128.

Adding to 120421360 its reverse (63124021), we get a palindrome (183545381).

It can be divided in two parts, 1 and 20421360, that added together give a square (20421361 = 4519²).

The spelling of 120421360 in words is "one hundred twenty million, four hundred twenty-one thousand, three hundred sixty".