3124691 has 2 divisors, whose sum is σ = 3124692. Its totient is φ = 3124690.

The previous prime is 3124673. The next prime is 3124717. The reversal of 3124691 is 1964213.

It is an a-pointer prime, because the next prime (3124717) can be obtained adding 3124691 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (1964213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3124691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3124691.

It is not a weakly prime, because it can be changed into another prime (3124631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562345 + 1562346.

It is an arithmetic number, because the mean of its divisors is an integer number (1562346).

Almost surely, 2^3124691 is an apocalyptic number.

3124691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124691 is an equidigital number, since it uses as much as digits as its factorization.

3124691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 3124691 is about 1767.6795524076. The cubic root of 3124691 is about 146.1960679706.

The spelling of 3124691 in words is "three million, one hundred twenty-four thousand, six hundred ninety-one".