1312133124 has 24 divisors (see below), whose sum is σ = 3062358880. Its totient is φ = 437275584.

The previous prime is 1312133107. The next prime is 1312133143. The reversal of 1312133124 is 4213312131.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1312133124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55272 + ... + 75360.

Almost surely, 2^1312133124 is an apocalyptic number.

It is an amenable number.

1312133124 is an abundant number, since it is smaller than the sum of its proper divisors (1750225756).

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

1312133124 is a wasteful number, since it uses less digits than its factorization.

1312133124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25539 (or 25537 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1312133124 is about 36223.3781417471. The cubic root of 1312133124 is about 1094.7777601977. Note that the first 4 decimals are identical.

Adding to 1312133124 its reverse (4213312131), we get a palindrome (5525445255).

The spelling of 1312133124 in words is "one billion, three hundred twelve million, one hundred thirty-three thousand, one hundred twenty-four".