3117129 has 4 divisors (see below), whose sum is σ = 4156176. Its totient is φ = 2078084.

The previous prime is 3117119. The next prime is 3117151. The reversal of 3117129 is 9217113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3117129 - 2⁵ = 3117097 is a prime.

It is a D-number.

It is a Curzon number.

3117129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3117099 and 3117108.

It is not an unprimeable number, because it can be changed into a prime (3117109) 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, 519519 + ... + 519524.

It is an arithmetic number, because the mean of its divisors is an integer number (1039044).

Almost surely, 2^3117129 is an apocalyptic number.

It is an amenable number.

3117129 is a deficient number, since it is larger than the sum of its proper divisors (1039047).

3117129 is a wasteful number, since it uses less digits than its factorization.

3117129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039046.

The product of its digits is 378, while the sum is 24.

The square root of 3117129 is about 1765.5392943800. The cubic root of 3117129 is about 146.0780373457.

The spelling of 3117129 in words is "three million, one hundred seventeen thousand, one hundred twenty-nine".