1343024121 has 4 divisors (see below), whose sum is σ = 1790698832. Its totient is φ = 895349412.

The previous prime is 1343024099. The next prime is 1343024131. The reversal of 1343024121 is 1214203431.

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 1343024121 - 2²⁶ = 1275915257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343024131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223837351 + ... + 223837356.

It is an arithmetic number, because the mean of its divisors is an integer number (447674708).

Almost surely, 2^1343024121 is an apocalyptic number.

It is an amenable number.

1343024121 is a deficient number, since it is larger than the sum of its proper divisors (447674711).

1343024121 is an equidigital number, since it uses as much as digits as its factorization.

1343024121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447674710.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1343024121 is about 36647.2935017035. The cubic root of 1343024121 is about 1103.3025050689.

Adding to 1343024121 its reverse (1214203431), we get a palindrome (2557227552).

The spelling of 1343024121 in words is "one billion, three hundred forty-three million, twenty-four thousand, one hundred twenty-one".