1120245312 has 112 divisors (see below), whose sum is σ = 3038368320. Its totient is φ = 364136448.

The previous prime is 1120245307. The next prime is 1120245317. The reversal of 1120245312 is 2135420211.

It is an interprime number because it is at equal distance from previous prime (1120245307) and next prime (1120245317).

It is not an unprimeable number, because it can be changed into a prime (1120245317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2879614 + ... + 2880002.

Almost surely, 2^1120245312 is an apocalyptic number.

1120245312 is a gapful number since it is divisible by the number (12) 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 1120245312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519184160).

1120245312 is an abundant number, since it is smaller than the sum of its proper divisors (1918123008).

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

1120245312 is a wasteful number, since it uses less digits than its factorization.

1120245312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1120245312 is about 33470.0659097050. The cubic root of 1120245312 is about 1038.5746351396.

Adding to 1120245312 its reverse (2135420211), we get a palindrome (3255665523).

The spelling of 1120245312 in words is "one billion, one hundred twenty million, two hundred forty-five thousand, three hundred twelve".