1131123110 has 16 divisors (see below), whose sum is σ = 2192638896. Its totient is φ = 417645408.

The previous prime is 1131123089. The next prime is 1131123121. The reversal of 1131123110 is 113211311.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350344 + ... + 4350603.

It is an arithmetic number, because the mean of its divisors is an integer number (137039931).

Almost surely, 2^1131123110 is an apocalyptic number.

1131123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131123110 is a deficient number, since it is larger than the sum of its proper divisors (1061515786).

1131123110 is a wasteful number, since it uses less digits than its factorization.

1131123110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700967.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1131123110 is about 33632.1737329005. The cubic root of 1131123110 is about 1041.9253995661.

Adding to 1131123110 its reverse (113211311), we get a palindrome (1244334421).

The spelling of 1131123110 in words is "one billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred ten".