1241424021 has 8 divisors (see below), whose sum is σ = 1655485024. Its totient is φ = 827489520.

The previous prime is 1241424013. The next prime is 1241424049. The reversal of 1241424021 is 1204241421.

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

It is not a de Polignac number, because 1241424021 - 2³ = 1241424013 is a prime.

It is a super-2 number, since 2×1241424021² = 3082267199831616882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241424521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5686 + ... + 50151.

It is an arithmetic number, because the mean of its divisors is an integer number (206935628).

Almost surely, 2^1241424021 is an apocalyptic number.

It is an amenable number.

1241424021 is a deficient number, since it is larger than the sum of its proper divisors (414061003).

1241424021 is an equidigital number, since it uses as much as digits as its factorization.

1241424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63251.

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

The square root of 1241424021 is about 35233.8476610205. The cubic root of 1241424021 is about 1074.7481713341.

Adding to 1241424021 its reverse (1204241421), we get a palindrome (2445665442).

The spelling of 1241424021 in words is "one billion, two hundred forty-one million, four hundred twenty-four thousand, twenty-one".