2103977 has 2 divisors, whose sum is σ = 2103978. Its totient is φ = 2103976.

The previous prime is 2103973. The next prime is 2103989. The reversal of 2103977 is 7793012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 732736 = 1171^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103977 - 2² = 2103973 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2103973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051988 + 1051989.

It is an arithmetic number, because the mean of its divisors is an integer number (1051989).

2^2103977 is an apocalyptic number.

It is an amenable number.

2103977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103977 is an equidigital number, since it uses as much as digits as its factorization.

2103977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2103977 is about 1450.5092209290. The cubic root of 2103977 is about 128.1387046217.

Adding to 2103977 its reverse (7793012), we get a palindrome (9896989).

The spelling of 2103977 in words is "two million, one hundred three thousand, nine hundred seventy-seven".