1310123104 has 12 divisors (see below), whose sum is σ = 2579304924. Its totient is φ = 655061536.

The previous prime is 1310123083. The next prime is 1310123107. The reversal of 1310123104 is 4013210131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310123107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20470642 + ... + 20470705.

It is an arithmetic number, because the mean of its divisors is an integer number (214942077).

Almost surely, 2^1310123104 is an apocalyptic number.

It is an amenable number.

1310123104 is a deficient number, since it is larger than the sum of its proper divisors (1269181820).

1310123104 is an equidigital number, since it uses as much as digits as its factorization.

1310123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40941357 (or 40941349 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1310123104 is about 36195.6227187764. The cubic root of 1310123104 is about 1094.2184547046.

Adding to 1310123104 its reverse (4013210131), we get a palindrome (5323333235).

The spelling of 1310123104 in words is "one billion, three hundred ten million, one hundred twenty-three thousand, one hundred four".