1340406122 has 16 divisors (see below), whose sum is σ = 2196957600. Its totient is φ = 608285040.

The previous prime is 1340406107. The next prime is 1340406139. The reversal of 1340406122 is 2216040431.

It is a super-3 number, since 3×1340406122³ (a number of 28 digits) contains 333 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 35597 + ... + 62832.

It is an arithmetic number, because the mean of its divisors is an integer number (137309850).

Almost surely, 2^1340406122 is an apocalyptic number.

1340406122 is a deficient number, since it is larger than the sum of its proper divisors (856551478).

1340406122 is a wasteful number, since it uses less digits than its factorization.

1340406122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99061.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1340406122 is about 36611.5572189985. The cubic root of 1340406122 is about 1102.5851380238.

Adding to 1340406122 its reverse (2216040431), we get a palindrome (3556446553).

The spelling of 1340406122 in words is "one billion, three hundred forty million, four hundred six thousand, one hundred twenty-two".