1340340122 has 16 divisors (see below), whose sum is σ = 2194167744. Its totient is φ = 609000000.

The previous prime is 1340340119. The next prime is 1340340139. The reversal of 1340340122 is 2210430431.

It is a junction number, because it is equal to n+sod(n) for n = 1340340094 and 1340340103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50747 + ... + 72497.

It is an arithmetic number, because the mean of its divisors is an integer number (137135484).

Almost surely, 2^1340340122 is an apocalyptic number.

1340340122 is a deficient number, since it is larger than the sum of its proper divisors (853827622).

1340340122 is a wasteful number, since it uses less digits than its factorization.

1340340122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1340340122 is about 36610.6558531802. The cubic root of 1340340122 is about 1102.5670410674.

Adding to 1340340122 its reverse (2210430431), we get a palindrome (3550770553).

The spelling of 1340340122 in words is "one billion, three hundred forty million, three hundred forty thousand, one hundred twenty-two".