1343120003 has 16 divisors (see below), whose sum is σ = 1434373920. Its totient is φ = 1253277696.

The previous prime is 1343119997. The next prime is 1343120039. The reversal of 1343120003 is 3000213431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1343120003 - 2¹⁰ = 1343118979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343120063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374251 + ... + 1375227.

It is an arithmetic number, because the mean of its divisors is an integer number (89648370).

Almost surely, 2^1343120003 is an apocalyptic number.

1343120003 is a deficient number, since it is larger than the sum of its proper divisors (91253917).

1343120003 is a wasteful number, since it uses less digits than its factorization.

1343120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1343120003 is about 36648.6016513591. The cubic root of 1343120003 is about 1103.3287603266.

Adding to 1343120003 its reverse (3000213431), we get a palindrome (4343333434).

The spelling of 1343120003 in words is "one billion, three hundred forty-three million, one hundred twenty thousand, three".