1312242104 has 16 divisors (see below), whose sum is σ = 2605186800. Its totient is φ = 617525632.

The previous prime is 1312242073. The next prime is 1312242109. The reversal of 1312242104 is 4012422131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312242109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4824284 + ... + 4824555.

It is an arithmetic number, because the mean of its divisors is an integer number (162824175).

Almost surely, 2^1312242104 is an apocalyptic number.

It is an amenable number.

1312242104 is a deficient number, since it is larger than the sum of its proper divisors (1292944696).

1312242104 is a wasteful number, since it uses less digits than its factorization.

1312242104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648862 (or 9648858 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1312242104 is about 36224.8823876628. The cubic root of 1312242104 is about 1094.8080684988.

Adding to 1312242104 its reverse (4012422131), we get a palindrome (5324664235).

The spelling of 1312242104 in words is "one billion, three hundred twelve million, two hundred forty-two thousand, one hundred four".