1020440104001 has 4 divisors (see below), whose sum is σ = 1034812499904. Its totient is φ = 1006067708100.

The previous prime is 1020440103959. The next prime is 1020440104049. The reversal of 1020440104001 is 1004010440201.

1020440104001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020440104001 - 2¹⁴ = 1020440087617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020440104051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7186197845 + ... + 7186197986.

It is an arithmetic number, because the mean of its divisors is an integer number (258703124976).

Almost surely, 2^{1020440104001} is an apocalyptic number.

It is an amenable number.

1020440104001 is a deficient number, since it is larger than the sum of its proper divisors (14372395903).

1020440104001 is an equidigital number, since it uses as much as digits as its factorization.

1020440104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372395902.

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

Adding to 1020440104001 its reverse (1004010440201), we get a palindrome (2024450544202).

The spelling of 1020440104001 in words is "one trillion, twenty billion, four hundred forty million, one hundred four thousand, one".