120111240 has 64 divisors (see below), whose sum is σ = 361065600. Its totient is φ = 31964672.

The previous prime is 120111223. The next prime is 120111247. The reversal of 120111240 is 42111021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120111247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100084 + ... + 101276.

It is an arithmetic number, because the mean of its divisors is an integer number (5641650).

Almost surely, 2^120111240 is an apocalyptic number.

120111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111240 is an abundant number, since it is smaller than the sum of its proper divisors (240954360).

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

120111240 is a wasteful number, since it uses less digits than its factorization.

120111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120111240 is about 10959.5273620718. The cubic root of 120111240 is about 493.3947797012.

Adding to 120111240 its reverse (42111021), we get a palindrome (162222261).

The spelling of 120111240 in words is "one hundred twenty million, one hundred eleven thousand, two hundred forty".