1120245240 has 128 divisors (see below), whose sum is σ = 3422583360. Its totient is φ = 293289984.

The previous prime is 1120245239. The next prime is 1120245257. The reversal of 1120245240 is 425420211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827174 + ... + 1827786.

Almost surely, 2^1120245240 is an apocalyptic number.

1120245240 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 1120245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711291680).

1120245240 is an abundant number, since it is smaller than the sum of its proper divisors (2302338120).

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

1120245240 is a wasteful number, since it uses less digits than its factorization.

1120245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1120245240 is about 33470.0648341171. The cubic root of 1120245240 is about 1038.5746128893.

Adding to 1120245240 its reverse (425420211), we get a palindrome (1545665451).

The spelling of 1120245240 in words is "one billion, one hundred twenty million, two hundred forty-five thousand, two hundred forty".