1241421213 has 8 divisors (see below), whose sum is σ = 1657904800. Its totient is φ = 826275888.

The previous prime is 1241421163. The next prime is 1241421239. The reversal of 1241421213 is 3121241421.

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

It is not a de Polignac number, because 1241421213 - 2⁶ = 1241421149 is a prime.

It is a super-2 number, since 2×1241421213² = 3082253256172782738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241421213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241421263) 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 7 ways as a sum of consecutive naturals, for example, 332398 + ... + 336111.

It is an arithmetic number, because the mean of its divisors is an integer number (207238100).

Almost surely, 2^1241421213 is an apocalyptic number.

It is an amenable number.

1241421213 is a deficient number, since it is larger than the sum of its proper divisors (416483587).

1241421213 is an equidigital number, since it uses as much as digits as its factorization.

1241421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669131.

The product of its digits is 384, while the sum is 21.

The square root of 1241421213 is about 35233.8078129515. The cubic root of 1241421213 is about 1074.7473610026.

Adding to 1241421213 its reverse (3121241421), we get a palindrome (4362662634).

The spelling of 1241421213 in words is "one billion, two hundred forty-one million, four hundred twenty-one thousand, two hundred thirteen".