1041420340421 has 4 divisors (see below), whose sum is σ = 1049370114144. Its totient is φ = 1033470566700.

The previous prime is 1041420340349. The next prime is 1041420340463. The reversal of 1041420340421 is 1240430241401.

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 1041420340421 - 2¹⁰ = 1041420339397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041420340721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974886665 + ... + 3974886926.

It is an arithmetic number, because the mean of its divisors is an integer number (262342528536).

Almost surely, 2^{1041420340421} is an apocalyptic number.

It is an amenable number.

1041420340421 is a deficient number, since it is larger than the sum of its proper divisors (7949773723).

1041420340421 is an equidigital number, since it uses as much as digits as its factorization.

1041420340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949773722.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1041420340421 its reverse (1240430241401), we get a palindrome (2281850581822).

The spelling of 1041420340421 in words is "one trillion, forty-one billion, four hundred twenty million, three hundred forty thousand, four hundred twenty-one".