1340455401121 has 8 divisors (see below), whose sum is σ = 1420020050400. Its totient is φ = 1260970122048.

The previous prime is 1340455401113. The next prime is 1340455401133. The reversal of 1340455401121 is 1211045540431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340455401121 - 2³ = 1340455401113 is a prime.

It is a super-2 number, since 2×1340455401121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340455401161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19807771 + ... + 19875328.

It is an arithmetic number, because the mean of its divisors is an integer number (177502506300).

Almost surely, 2^{1340455401121} is an apocalyptic number.

It is an amenable number.

1340455401121 is a deficient number, since it is larger than the sum of its proper divisors (79564649279).

1340455401121 is a wasteful number, since it uses less digits than its factorization.

1340455401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39685103.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 1340455401121 in words is "one trillion, three hundred forty billion, four hundred fifty-five million, four hundred one thousand, one hundred twenty-one".