1100303140 has 12 divisors (see below), whose sum is σ = 2310636636. Its totient is φ = 440121248.

The previous prime is 1100303137. The next prime is 1100303147. The reversal of 1100303140 is 413030011.

It can be written as a sum of positive squares in 2 ways, for example, as 159163456 + 941139684 = 12616^2 + 30678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100303140.

It is not an unprimeable number, because it can be changed into a prime (1100303147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27507559 + ... + 27507598.

It is an arithmetic number, because the mean of its divisors is an integer number (192553053).

Almost surely, 2^1100303140 is an apocalyptic number.

1100303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100303140 is an abundant number, since it is smaller than the sum of its proper divisors (1210333496).

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

1100303140 is a wasteful number, since it uses less digits than its factorization.

1100303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55015166 (or 55015164 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1100303140 is about 33170.8175961944. The cubic root of 1100303140 is about 1032.3749326240.

Adding to 1100303140 its reverse (413030011), we get a palindrome (1513333151).

The spelling of 1100303140 in words is "one billion, one hundred million, three hundred three thousand, one hundred forty".