1241001421 has 4 divisors (see below), whose sum is σ = 1353819744. Its totient is φ = 1128183100.

The previous prime is 1241001389. The next prime is 1241001439.

It is a happy number.

1241001421 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 1241001421 - 2⁵ = 1241001389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241001395 and 1241001404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241001491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56409145 + ... + 56409166.

It is an arithmetic number, because the mean of its divisors is an integer number (338454936).

Almost surely, 2^1241001421 is an apocalyptic number.

1241001421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1241001421 is a deficient number, since it is larger than the sum of its proper divisors (112818323).

1241001421 is a wasteful number, since it uses less digits than its factorization.

1241001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112818322.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1241001421 is about 35227.8500763246. The cubic root of 1241001421 is about 1074.6262038417.

It can be divided in two parts, 124100 and 1421, that added together give a palindrome (125521).

The spelling of 1241001421 in words is "one billion, two hundred forty-one million, one thousand, four hundred twenty-one".