120243492 has 18 divisors (see below), whose sum is σ = 303948918. Its totient is φ = 40081152.

The previous prime is 120243491. The next prime is 120243503. The reversal of 120243492 is 294342021.

It can be written as a sum of positive squares in only one way, i.e., 111386916 + 8856576 = 10554^2 + 2976^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1670013 + ... + 1670084.

It is an arithmetic number, because the mean of its divisors is an integer number (16886051).

Almost surely, 2^120243492 is an apocalyptic number.

120243492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120243492 is an abundant number, since it is smaller than the sum of its proper divisors (183705426).

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

120243492 is a wasteful number, since it uses less digits than its factorization.

120243492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340107 (or 3340102 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120243492 is about 10965.5593564578. The cubic root of 120243492 is about 493.5758022036.

The spelling of 120243492 in words is "one hundred twenty million, two hundred forty-three thousand, four hundred ninety-two".