1120545200 has 30 divisors (see below), whose sum is σ = 2692110804. Its totient is φ = 448217920.

The previous prime is 1120545193. The next prime is 1120545227. The reversal of 1120545200 is 25450211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1400282 + ... + 1401081.

Almost surely, 2^1120545200 is an apocalyptic number.

1120545200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120545200 is an abundant number, since it is smaller than the sum of its proper divisors (1571565604).

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

1120545200 is a wasteful number, since it uses less digits than its factorization.

1120545200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801381 (or 2801370 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1120545200 is about 33474.5455533006. The cubic root of 1120545200 is about 1038.6673018317.

Adding to 1120545200 its reverse (25450211), we get a palindrome (1145995411).

The spelling of 1120545200 in words is "one billion, one hundred twenty million, five hundred forty-five thousand, two hundred".