1103331240 has 192 divisors, whose sum is σ = 4042987200. Its totient is φ = 267442560.

The previous prime is 1103331233. The next prime is 1103331241. The reversal of 1103331240 is 421333011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103331241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126459 + ... + 134901.

It is an arithmetic number, because the mean of its divisors is an integer number (21057225).

Almost surely, 2^1103331240 is an apocalyptic number.

1103331240 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 1103331240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021493600).

1103331240 is an abundant number, since it is smaller than the sum of its proper divisors (2939655960).

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

1103331240 is a wasteful number, since it uses less digits than its factorization.

1103331240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8464 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103331240 is about 33216.4302717797. The cubic root of 1103331240 is about 1033.3211176727.

1103331240 divided by its product of nonzero digits (216) gives a palindrome (5108015).

Adding to 1103331240 its reverse (421333011), we get a palindrome (1524664251).

The spelling of 1103331240 in words is "one billion, one hundred three million, three hundred thirty-one thousand, two hundred forty".