3126961 has 2 divisors, whose sum is σ = 3126962. Its totient is φ = 3126960.

The previous prime is 3126901. The next prime is 3126973. The reversal of 3126961 is 1696213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 1288225 = 1356^2 + 1135^2 .

It is an emirp because it is prime and its reverse (1696213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3126961 - 2⁹ = 3126449 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3126901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563480 + 1563481.

It is an arithmetic number, because the mean of its divisors is an integer number (1563481).

Almost surely, 2^3126961 is an apocalyptic number.

It is an amenable number.

3126961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126961 is an equidigital number, since it uses as much as digits as its factorization.

3126961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 3126961 is about 1768.3215205386. The cubic root of 3126961 is about 146.2314618429.

The spelling of 3126961 in words is "three million, one hundred twenty-six thousand, nine hundred sixty-one".