1110042120 has 64 divisors (see below), whose sum is σ = 3632869440. Its totient is φ = 269100800.

The previous prime is 1110042061. The next prime is 1110042121. The reversal of 1110042120 is 212400111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1110042096 and 1110042105.

It is not an unprimeable number, because it can be changed into a prime (1110042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419151 + ... + 421790.

It is an arithmetic number, because the mean of its divisors is an integer number (56763585).

Almost surely, 2^1110042120 is an apocalyptic number.

1110042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110042120 is an abundant number, since it is smaller than the sum of its proper divisors (2522827320).

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

1110042120 is a wasteful number, since it uses less digits than its factorization.

1110042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840966 (or 840962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1110042120 is about 33317.2946080560. The cubic root of 1110042120 is about 1035.4119016785.

Adding to 1110042120 its reverse (212400111), we get a palindrome (1322442231).

The spelling of 1110042120 in words is "one billion, one hundred ten million, forty-two thousand, one hundred twenty".