1113255240 has 32 divisors (see below), whose sum is σ = 3339766080. Its totient is φ = 296868032.

The previous prime is 1113255211. The next prime is 1113255347. The reversal of 1113255240 is 425523111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1113255240.

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, 4638444 + ... + 4638683.

It is an arithmetic number, because the mean of its divisors is an integer number (104367690).

Almost surely, 2^1113255240 is an apocalyptic number.

1113255240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113255240 is an abundant number, since it is smaller than the sum of its proper divisors (2226510840).

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

1113255240 is a wasteful number, since it uses less digits than its factorization.

1113255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277141 (or 9277137 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1113255240 is about 33365.4797657699. The cubic root of 1113255240 is about 1036.4099712628.

Adding to 1113255240 its reverse (425523111), we get a palindrome (1538778351).

The spelling of 1113255240 in words is "one billion, one hundred thirteen million, two hundred fifty-five thousand, two hundred forty".