2077121 has 2 divisors, whose sum is σ = 2077122. Its totient is φ = 2077120.

The previous prime is 2077091. The next prime is 2077129. The reversal of 2077121 is 1217702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 6400 = 1439^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2077121 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2077093 and 2077102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038560 + 1038561.

It is an arithmetic number, because the mean of its divisors is an integer number (1038561).

2^2077121 is an apocalyptic number.

It is an amenable number.

2077121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077121 is an equidigital number, since it uses as much as digits as its factorization.

2077121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 2077121 is about 1441.2220508999. Note that the first 3 decimals coincide. The cubic root of 2077121 is about 127.5911638159.

The spelling of 2077121 in words is "two million, seventy-seven thousand, one hundred twenty-one".