1340123325 has 24 divisors (see below), whose sum is σ = 2231628000. Its totient is φ = 709584960.

The previous prime is 1340123303. The next prime is 1340123353. The reversal of 1340123325 is 5233210431.

It is not a de Polignac number, because 1340123325 - 2⁶ = 1340123261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1340123295 and 1340123304.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 53850 + ... + 74699.

It is an arithmetic number, because the mean of its divisors is an integer number (92984500).

Almost surely, 2^1340123325 is an apocalyptic number.

1340123325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340123325 is a deficient number, since it is larger than the sum of its proper divisors (891504675).

1340123325 is a wasteful number, since it uses less digits than its factorization.

1340123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128701 (or 128696 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1340123325 is about 36607.6948878238. The cubic root of 1340123325 is about 1102.5075919490.

Adding to 1340123325 its reverse (5233210431), we get a palindrome (6573333756).

The spelling of 1340123325 in words is "one billion, three hundred forty million, one hundred twenty-three thousand, three hundred twenty-five".