1140012120 has 64 divisors (see below), whose sum is σ = 3683121120. Its totient is φ = 280617984.

The previous prime is 1140012109. The next prime is 1140012121. The reversal of 1140012120 is 212100411.

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 = 1140012096 and 1140012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363829 + ... + 366948.

Almost surely, 2^1140012120 is an apocalyptic number.

1140012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140012120 is an abundant number, since it is smaller than the sum of its proper divisors (2543109000).

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

1140012120 is a wasteful number, since it uses less digits than its factorization.

1140012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730804 (or 730800 counting only the distinct ones).

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

The square root of 1140012120 is about 33764.0655135012. The cubic root of 1140012120 is about 1044.6476288807.

Adding to 1140012120 its reverse (212100411), we get a palindrome (1352112531).

The spelling of 1140012120 in words is "one billion, one hundred forty million, twelve thousand, one hundred twenty".