1312129 has 8 divisors (see below), whose sum is σ = 1615040. Its totient is φ = 1038096.

The previous prime is 1312093. The next prime is 1312133. The reversal of 1312129 is 9212131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312129 - 2⁷ = 1312001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7119 + ... + 7300.

It is an arithmetic number, because the mean of its divisors is an integer number (201880).

2^1312129 is an apocalyptic number.

It is an amenable number.

1312129 is a deficient number, since it is larger than the sum of its proper divisors (302911).

1312129 is a wasteful number, since it uses less digits than its factorization.

1312129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439.

The product of its digits is 108, while the sum is 19.

The square root of 1312129 is about 1145.4819946206. The cubic root of 1312129 is about 109.4776613244.

It can be divided in two parts, 1312 and 129, that added together give a palindrome (1441).

The spelling of 1312129 in words is "one million, three hundred twelve thousand, one hundred twenty-nine".