3129371 has 4 divisors (see below), whose sum is σ = 3576432. Its totient is φ = 2682312.

The previous prime is 3129323. The next prime is 3129383. The reversal of 3129371 is 1739213.

3129371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3129371 - 2¹⁴ = 3112987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3129371.

It is not an unprimeable number, because it can be changed into a prime (3129391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 223520 + ... + 223533.

It is an arithmetic number, because the mean of its divisors is an integer number (894108).

Almost surely, 2^3129371 is an apocalyptic number.

3129371 is a deficient number, since it is larger than the sum of its proper divisors (447061).

3129371 is an equidigital number, since it uses as much as digits as its factorization.

3129371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447060.

The product of its digits is 1134, while the sum is 26.

The square root of 3129371 is about 1769.0028264534. The cubic root of 3129371 is about 146.2690198557.

The spelling of 3129371 in words is "three million, one hundred twenty-nine thousand, three hundred seventy-one".