1343121603 has 8 divisors (see below), whose sum is σ = 1792997568. Its totient is φ = 894330024.

The previous prime is 1343121599. The next prime is 1343121613. The reversal of 1343121603 is 3061213431.

It is a happy number.

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

It is not a de Polignac number, because 1343121603 - 2² = 1343121599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343121613) 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, 268201 + ... + 273162.

It is an arithmetic number, because the mean of its divisors is an integer number (224124696).

Almost surely, 2^1343121603 is an apocalyptic number.

1343121603 is a deficient number, since it is larger than the sum of its proper divisors (449875965).

1343121603 is an equidigital number, since it uses as much as digits as its factorization.

1343121603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542193.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1343121603 is about 36648.6234802891. The cubic root of 1343121603 is about 1103.3291984422.

The spelling of 1343121603 in words is "one billion, three hundred forty-three million, one hundred twenty-one thousand, six hundred three".