1120259520 has 168 divisors, whose sum is σ = 3865717440. Its totient is φ = 297768960.

The previous prime is 1120259509. The next prime is 1120259587. The reversal of 1120259520 is 259520211.

1120259520 is a `hidden beast` number, since 112 + 0 + 25 + 9 + 520 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1557721 + ... + 1558439.

Almost surely, 2^1120259520 is an apocalyptic number.

1120259520 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 1120259520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932858720).

1120259520 is an abundant number, since it is smaller than the sum of its proper divisors (2745457920).

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

1120259520 is a wasteful number, since it uses less digits than its factorization.

1120259520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1120259520 is about 33470.2781583900. The cubic root of 1120259520 is about 1038.5790258464.

Adding to 1120259520 its reverse (259520211), we get a palindrome (1379779731).

The spelling of 1120259520 in words is "one billion, one hundred twenty million, two hundred fifty-nine thousand, five hundred twenty".