1340121112444 has 24 divisors (see below), whose sum is σ = 2346630230448. Its totient is φ = 669655459200.

The previous prime is 1340121112427. The next prime is 1340121112469. The reversal of 1340121112444 is 4442111210431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56293344 + ... + 56317144.

It is an arithmetic number, because the mean of its divisors is an integer number (97776259602).

Almost surely, 2^{1340121112444} is an apocalyptic number.

It is an amenable number.

1340121112444 is a deficient number, since it is larger than the sum of its proper divisors (1006509118004).

1340121112444 is a wasteful number, since it uses less digits than its factorization.

1340121112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31725 (or 31723 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1340121112444 its reverse (4442111210431), we get a palindrome (5782232322875).

The spelling of 1340121112444 in words is "one trillion, three hundred forty billion, one hundred twenty-one million, one hundred twelve thousand, four hundred forty-four".