3965123 has 2 divisors, whose sum is σ = 3965124. Its totient is φ = 3965122.

The previous prime is 3965041. The next prime is 3965147. The reversal of 3965123 is 3215693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3965123 - 2⁸ = 3964867 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3965153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982561 + 1982562.

It is an arithmetic number, because the mean of its divisors is an integer number (1982562).

Almost surely, 2^3965123 is an apocalyptic number.

3965123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965123 is an equidigital number, since it uses as much as digits as its factorization.

3965123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 3965123 is about 1991.2616603551. The cubic root of 3965123 is about 158.2773928574.

The spelling of 3965123 in words is "three million, nine hundred sixty-five thousand, one hundred twenty-three".