1133140123 has 4 divisors (see below), whose sum is σ = 1135506240. Its totient is φ = 1130774008.

The previous prime is 1133140081. The next prime is 1133140147. The reversal of 1133140123 is 3210413311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133140123 - 2¹³ = 1133131931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133140123.

It is not an unprimeable number, because it can be changed into a prime (1133140163) 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, 1182340 + ... + 1183297.

It is an arithmetic number, because the mean of its divisors is an integer number (283876560).

Almost surely, 2^1133140123 is an apocalyptic number.

1133140123 is a deficient number, since it is larger than the sum of its proper divisors (2366117).

1133140123 is an equidigital number, since it uses as much as digits as its factorization.

1133140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366116.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1133140123 is about 33662.1467378419. The cubic root of 1133140123 is about 1042.5443505066.

Adding to 1133140123 its reverse (3210413311), we get a palindrome (4343553434).

The spelling of 1133140123 in words is "one billion, one hundred thirty-three million, one hundred forty thousand, one hundred twenty-three".