1123132011 has 8 divisors (see below), whose sum is σ = 1501462080. Its totient is φ = 746778312.

The previous prime is 1123132001. The next prime is 1123132033. The reversal of 1123132011 is 1102313211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123132011 - 2¹¹ = 1123129963 is a prime.

It is a super-2 number, since 2×1123132011² = 2522851028265808242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123132001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492765 + ... + 495038.

It is an arithmetic number, because the mean of its divisors is an integer number (187682760).

Almost surely, 2^1123132011 is an apocalyptic number.

1123132011 is a deficient number, since it is larger than the sum of its proper divisors (378330069).

1123132011 is an equidigital number, since it uses as much as digits as its factorization.

1123132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988185.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1123132011 is about 33513.1617577333. The cubic root of 1123132011 is about 1039.4659520790.

Adding to 1123132011 its reverse (1102313211), we get a palindrome (2225445222).

The spelling of 1123132011 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, eleven".