1343121104 has 20 divisors (see below), whose sum is σ = 2802474276. Its totient is φ = 619901952.

The previous prime is 1343121103. The next prime is 1343121149. The reversal of 1343121104 is 4011213431.

It can be written as a sum of positive squares in 2 ways, for example, as 162511504 + 1180609600 = 12748^2 + 34360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343121103) 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, 3228449 + ... + 3228864.

Almost surely, 2^1343121104 is an apocalyptic number.

It is an amenable number.

1343121104 is an abundant number, since it is smaller than the sum of its proper divisors (1459353172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343121104 is a wasteful number, since it uses less digits than its factorization.

1343121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457334 (or 6457328 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1343121104 is about 36648.6166723930. The cubic root of 1343121104 is about 1103.3290618049.

Adding to 1343121104 its reverse (4011213431), we get a palindrome (5354334535).

The spelling of 1343121104 in words is "one billion, three hundred forty-three million, one hundred twenty-one thousand, one hundred four".