1241204421 has 8 divisors (see below), whose sum is σ = 1660261824. Its totient is φ = 824808320.

The previous prime is 1241204399. The next prime is 1241204449. The reversal of 1241204421 is 1244021421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241204421 - 2⁵ = 1241204389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241204491) 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 7 ways as a sum of consecutive naturals, for example, 664236 + ... + 666101.

It is an arithmetic number, because the mean of its divisors is an integer number (207532728).

Almost surely, 2^1241204421 is an apocalyptic number.

It is an amenable number.

1241204421 is a deficient number, since it is larger than the sum of its proper divisors (419057403).

1241204421 is a wasteful number, since it uses less digits than its factorization.

1241204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330651.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1241204421 is about 35230.7312016086. The cubic root of 1241204421 is about 1074.6847955623.

Adding to 1241204421 its reverse (1244021421), we get a palindrome (2485225842).

The spelling of 1241204421 in words is "one billion, two hundred forty-one million, two hundred four thousand, four hundred twenty-one".