1340122355 has 32 divisors (see below), whose sum is σ = 1903220928. Its totient is φ = 893030400.

The previous prime is 1340122349. The next prime is 1340122361. The reversal of 1340122355 is 5532210431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340122349) and next prime (1340122361).

It is not a de Polignac number, because 1340122355 - 2¹² = 1340118259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91115 + ... + 104795.

It is an arithmetic number, because the mean of its divisors is an integer number (59475654).

Almost surely, 2^1340122355 is an apocalyptic number.

1340122355 is a deficient number, since it is larger than the sum of its proper divisors (563098573).

1340122355 is a wasteful number, since it uses less digits than its factorization.

1340122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13847.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1340122355 is about 36607.6816392407. The cubic root of 1340122355 is about 1102.5073259455.

Adding to 1340122355 its reverse (5532210431), we get a palindrome (6872332786).

The spelling of 1340122355 in words is "one billion, three hundred forty million, one hundred twenty-two thousand, three hundred fifty-five".