1240045112 has 32 divisors (see below), whose sum is σ = 2362968720. Its totient is φ = 609945600.

The previous prime is 1240045111. The next prime is 1240045129. The reversal of 1240045112 is 2115400421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240045111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651362 + ... + 653262.

Almost surely, 2^1240045112 is an apocalyptic number.

It is an amenable number.

1240045112 is a deficient number, since it is larger than the sum of its proper divisors (1122923608).

1240045112 is a wasteful number, since it uses less digits than its factorization.

1240045112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1240045112 is about 35214.2742648489. The cubic root of 1240045112 is about 1074.3500991896.

Adding to 1240045112 its reverse (2115400421), we get a palindrome (3355445533).

The spelling of 1240045112 in words is "one billion, two hundred forty million, forty-five thousand, one hundred twelve".