1121241044040 has 64 divisors (see below), whose sum is σ = 3622471070400. Its totient is φ = 275997795072.

The previous prime is 1121241044039. The next prime is 1121241044071. The reversal of 1121241044040 is 404401421211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1121241044040.

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, 359370570 + ... + 359373689.

It is an arithmetic number, because the mean of its divisors is an integer number (56601110475).

Almost surely, 2^{1121241044040} is an apocalyptic number.

1121241044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121241044040 is an abundant number, since it is smaller than the sum of its proper divisors (2501230026360).

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

1121241044040 is a wasteful number, since it uses less digits than its factorization.

1121241044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718744286 (or 718744282 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1121241044040 its reverse (404401421211), we get a palindrome (1525642465251).

The spelling of 1121241044040 in words is "one trillion, one hundred twenty-one billion, two hundred forty-one million, forty-four thousand, forty".