1340003122 has 4 divisors (see below), whose sum is σ = 2010004686. Its totient is φ = 670001560.

The previous prime is 1340003107. The next prime is 1340003141. The reversal of 1340003122 is 2213000431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2213000431 = 409 ⋅5410759.

It can be written as a sum of positive squares in only one way, i.e., 927872521 + 412130601 = 30461^2 + 20301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1340003096 and 1340003105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335000779 + ... + 335000782.

Almost surely, 2^1340003122 is an apocalyptic number.

1340003122 is a deficient number, since it is larger than the sum of its proper divisors (670001564).

1340003122 is an equidigital number, since it uses as much as digits as its factorization.

1340003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670001563.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1340003122 is about 36606.0530786918. The cubic root of 1340003122 is about 1102.4746276488.

Adding to 1340003122 its reverse (2213000431), we get a palindrome (3553003553).

The spelling of 1340003122 in words is "one billion, three hundred forty million, three thousand, one hundred twenty-two".