1312130 has 8 divisors (see below), whose sum is σ = 2361852. Its totient is φ = 524848.

The previous prime is 1312093. The next prime is 1312133. The reversal of 1312130 is 312131.

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 104329 = 1099^2 + 323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1312133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65597 + ... + 65616.

2^1312130 is an apocalyptic number.

1312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312130 is a deficient number, since it is larger than the sum of its proper divisors (1049722).

1312130 is a wasteful number, since it uses less digits than its factorization.

1312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131220.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1312130 is about 1145.4824311180. The cubic root of 1312130 is about 109.4776891361.

Adding to 1312130 its reverse (312131), we get a palindrome (1624261).

Subtracting from 1312130 its reverse (312131), we obtain a palindrome (999999).

The spelling of 1312130 in words is "one million, three hundred twelve thousand, one hundred thirty".