120211240 has 16 divisors (see below), whose sum is σ = 270475380. Its totient is φ = 48084480.

The previous prime is 120211237. The next prime is 120211241. The reversal of 120211240 is 42112021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120165444 + 45796 = 10962^2 + 214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120211240.

It is not an unprimeable number, because it can be changed into a prime (120211241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502601 + ... + 1502680.

Almost surely, 2^120211240 is an apocalyptic number.

120211240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211240 is an abundant number, since it is smaller than the sum of its proper divisors (150264140).

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

120211240 is a wasteful number, since it uses less digits than its factorization.

120211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005292 (or 3005288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120211240 is about 10964.0886534176. The cubic root of 120211240 is about 493.5316688927.

Adding to 120211240 its reverse (42112021), we get a palindrome (162323261).

The spelling of 120211240 in words is "one hundred twenty million, two hundred eleven thousand, two hundred forty".