1120513380 has 144 divisors (see below), whose sum is σ = 3679635456. Its totient is φ = 254016000.

The previous prime is 1120513349. The next prime is 1120513399. The reversal of 1120513380 is 833150211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120513380.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371880 + ... + 374880.

It is an arithmetic number, because the mean of its divisors is an integer number (25553024).

Almost surely, 2^1120513380 is an apocalyptic number.

1120513380 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 1120513380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839817728).

1120513380 is an abundant number, since it is smaller than the sum of its proper divisors (2559122076).

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

1120513380 is a wasteful number, since it uses less digits than its factorization.

1120513380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1120513380 is about 33474.0702634143. The cubic root of 1120513380 is about 1038.6574700979.

Adding to 1120513380 its reverse (833150211), we get a palindrome (1953663591).

The spelling of 1120513380 in words is "one billion, one hundred twenty million, five hundred thirteen thousand, three hundred eighty".