1123440241242 has 32 divisors (see below), whose sum is σ = 2530211457024. Its totient is φ = 329454615600.

The previous prime is 1123440241163. The next prime is 1123440241283. The reversal of 1123440241242 is 2421420443211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274543468 + ... + 274547559.

It is an arithmetic number, because the mean of its divisors is an integer number (79069108032).

Almost surely, 2^{1123440241242} is an apocalyptic number.

1123440241242 is an abundant number, since it is smaller than the sum of its proper divisors (1406771215782).

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

1123440241242 is a wasteful number, since it uses less digits than its factorization.

1123440241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549091074.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1123440241242 its reverse (2421420443211), we get a palindrome (3544860684453).

The spelling of 1123440241242 in words is "one trillion, one hundred twenty-three billion, four hundred forty million, two hundred forty-one thousand, two hundred forty-two".