3123977 has 2 divisors, whose sum is σ = 3123978. Its totient is φ = 3123976.

The previous prime is 3123973. The next prime is 3123983. The reversal of 3123977 is 7793213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3024121 + 99856 = 1739^2 + 316^2 .

It is an emirp because it is prime and its reverse (7793213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3123977 - 2² = 3123973 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3123973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561988 + 1561989.

It is an arithmetic number, because the mean of its divisors is an integer number (1561989).

Almost surely, 2^3123977 is an apocalyptic number.

It is an amenable number.

3123977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123977 is an equidigital number, since it uses as much as digits as its factorization.

3123977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 32.

The square root of 3123977 is about 1767.4775811874. The cubic root of 3123977 is about 146.1849317287.

The spelling of 3123977 in words is "three million, one hundred twenty-three thousand, nine hundred seventy-seven".