1340012003 has 4 divisors (see below), whose sum is σ = 1461831288. Its totient is φ = 1218192720.

The previous prime is 1340011999. The next prime is 1340012021. The reversal of 1340012003 is 3002100431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340012003 - 2² = 1340011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340012033) 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, 60909626 + ... + 60909647.

It is an arithmetic number, because the mean of its divisors is an integer number (365457822).

Almost surely, 2^1340012003 is an apocalyptic number.

1340012003 is a deficient number, since it is larger than the sum of its proper divisors (121819285).

1340012003 is a wasteful number, since it uses less digits than its factorization.

1340012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121819284.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1340012003 is about 36606.1743835654. The cubic root of 1340012003 is about 1102.4770632291.

Adding to 1340012003 its reverse (3002100431), we get a palindrome (4342112434).

The spelling of 1340012003 in words is "one billion, three hundred forty million, twelve thousand, three".