1123341140 has 12 divisors (see below), whose sum is σ = 2359016436. Its totient is φ = 449336448.

The previous prime is 1123341139. The next prime is 1123341151. The reversal of 1123341140 is 411433211.

It can be written as a sum of positive squares in 2 ways, for example, as 130965136 + 992376004 = 11444^2 + 31502^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 56167057 = 1123341140 / (1 + 1 + 2 + 3 + 3 + 4 + 1 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28083509 + ... + 28083548.

It is an arithmetic number, because the mean of its divisors is an integer number (196584703).

Almost surely, 2^1123341140 is an apocalyptic number.

1123341140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123341140 is an abundant number, since it is smaller than the sum of its proper divisors (1235675296).

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

1123341140 is a wasteful number, since it uses less digits than its factorization.

1123341140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56167066 (or 56167064 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1123341140 is about 33516.2817150113. The cubic root of 1123341140 is about 1039.5304648231.

Adding to 1123341140 its reverse (411433211), we get a palindrome (1534774351).

The spelling of 1123341140 in words is "one billion, one hundred twenty-three million, three hundred forty-one thousand, one hundred forty".