1240042112 has 32 divisors (see below), whose sum is σ = 2492287380. Its totient is φ = 614526976.

The previous prime is 1240042109. The next prime is 1240042183. The reversal of 1240042112 is 2112400421.

It can be written as a sum of positive squares in 2 ways, for example, as 1218289216 + 21752896 = 34904^2 + 4664^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28403 + ... + 57330.

Almost surely, 2^1240042112 is an apocalyptic number.

It is an amenable number.

1240042112 is an abundant number, since it is smaller than the sum of its proper divisors (1252245268).

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

1240042112 is an equidigital number, since it uses as much as digits as its factorization.

1240042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85860 (or 85848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1240042112 is about 35214.2316684604. The cubic root of 1240042112 is about 1074.3492328090.

Adding to 1240042112 its reverse (2112400421), we get a palindrome (3352442533).

The spelling of 1240042112 in words is "one billion, two hundred forty million, forty-two thousand, one hundred twelve".