1110142120 has 32 divisors (see below), whose sum is σ = 2521173600. Its totient is φ = 439905088.

The previous prime is 1110142093. The next prime is 1110142129. The reversal of 1110142120 is 212410111.

It is a self number, because there is not a number n which added to its sum of digits gives 1110142120.

It is not an unprimeable number, because it can be changed into a prime (1110142129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125410 + ... + 133969.

It is an arithmetic number, because the mean of its divisors is an integer number (78786675).

Almost surely, 2^1110142120 is an apocalyptic number.

1110142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110142120 is an abundant number, since it is smaller than the sum of its proper divisors (1411031480).

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

1110142120 is a wasteful number, since it uses less digits than its factorization.

1110142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259497 (or 259493 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1110142120 is about 33318.7952963489. The cubic root of 1110142120 is about 1035.4429930155.

Adding to 1110142120 its reverse (212410111), we get a palindrome (1322552231).

The spelling of 1110142120 in words is "one billion, one hundred ten million, one hundred forty-two thousand, one hundred twenty".