1340123244 has 24 divisors (see below), whose sum is σ = 3262909440. Its totient is φ = 427285584.

The previous prime is 1340123237. The next prime is 1340123261. The reversal of 1340123244 is 4423210431.

It is a super-3 number, since 3×1340123244³ (a number of 28 digits) contains 333 as substring.

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, 2427484 + ... + 2428035.

It is an arithmetic number, because the mean of its divisors is an integer number (135954560).

Almost surely, 2^1340123244 is an apocalyptic number.

It is an amenable number.

1340123244 is an abundant number, since it is smaller than the sum of its proper divisors (1922786196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340123244 is a wasteful number, since it uses less digits than its factorization.

1340123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855549 (or 4855547 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1340123244 is about 36607.6937814990. The cubic root of 1340123244 is about 1102.5075697363.

Adding to 1340123244 its reverse (4423210431), we get a palindrome (5763333675).

The spelling of 1340123244 in words is "one billion, three hundred forty million, one hundred twenty-three thousand, two hundred forty-four".