1421204234041 has 4 divisors (see below), whose sum is σ = 1421453530084. Its totient is φ = 1420954938000.

The previous prime is 1421204234033. The next prime is 1421204234077. The reversal of 1421204234041 is 1404324021241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 782517160000 + 638687074041 = 884600^2 + 799179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421204234041 - 2³ = 1421204234033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421204234081) 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, 124639470 + ... + 124650871.

It is an arithmetic number, because the mean of its divisors is an integer number (355363382521).

Almost surely, 2^{1421204234041} is an apocalyptic number.

It is an amenable number.

1421204234041 is a deficient number, since it is larger than the sum of its proper divisors (249296043).

1421204234041 is an equidigital number, since it uses as much as digits as its factorization.

1421204234041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249296042.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1421204234041 its reverse (1404324021241), we get a palindrome (2825528255282).

The spelling of 1421204234041 in words is "one trillion, four hundred twenty-one billion, two hundred four million, two hundred thirty-four thousand, forty-one".