1113420320 has 48 divisors (see below), whose sum is σ = 2657610648. Its totient is φ = 440770560.

The previous prime is 1113420277. The next prime is 1113420337. The reversal of 1113420320 is 230243111.

It can be written as a sum of positive squares in 4 ways, for example, as 928786576 + 184633744 = 30476^2 + 13588^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20351 + ... + 51390.

Almost surely, 2^1113420320 is an apocalyptic number.

1113420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113420320 is an abundant number, since it is smaller than the sum of its proper divisors (1544190328).

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

1113420320 is an equidigital number, since it uses as much as digits as its factorization.

1113420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71853 (or 71845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1113420320 is about 33367.9534883397. The cubic root of 1113420320 is about 1036.4611970422.

Adding to 1113420320 its reverse (230243111), we get a palindrome (1343663431).

The spelling of 1113420320 in words is "one billion, one hundred thirteen million, four hundred twenty thousand, three hundred twenty".