1421250521241 has 4 divisors (see below), whose sum is σ = 1895000694992. Its totient is φ = 947500347492.

The previous prime is 1421250521231. The next prime is 1421250521267.

1421250521241 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 1421250521241 - 2⁷ = 1421250521113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421250521199 and 1421250521208.

It is not an unprimeable number, because it can be changed into a prime (1421250521231) 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 3 ways as a sum of consecutive naturals, for example, 236875086871 + ... + 236875086876.

It is an arithmetic number, because the mean of its divisors is an integer number (473750173748).

Almost surely, 2^{1421250521241} is an apocalyptic number.

It is an amenable number.

1421250521241 is a deficient number, since it is larger than the sum of its proper divisors (473750173751).

1421250521241 is an equidigital number, since it uses as much as digits as its factorization.

1421250521241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473750173750.

The product of its (nonzero) digits is 6400, while the sum is 30.

It can be divided in two parts, 1421250 and 521241, that added together give a palindrome (1942491).

The spelling of 1421250521241 in words is "one trillion, four hundred twenty-one billion, two hundred fifty million, five hundred twenty-one thousand, two hundred forty-one".