1130123211 has 48 divisors (see below), whose sum is σ = 1853913600. Its totient is φ = 608876352.

The previous prime is 1130123207. The next prime is 1130123213. The reversal of 1130123211 is 1123210311.

It is a happy number.

It is not a de Polignac number, because 1130123211 - 2² = 1130123207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130123213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 666681 + ... + 668373.

It is an arithmetic number, because the mean of its divisors is an integer number (38623200).

Almost surely, 2^1130123211 is an apocalyptic number.

1130123211 is a deficient number, since it is larger than the sum of its proper divisors (723790389).

1130123211 is a wasteful number, since it uses less digits than its factorization.

1130123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1961 counting only the distinct ones).

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

The square root of 1130123211 is about 33617.3052310860. The cubic root of 1130123211 is about 1041.6182926172.

Adding to 1130123211 its reverse (1123210311), we get a palindrome (2253333522).

The spelling of 1130123211 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, two hundred eleven".