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BaseRepresentation
bin111110101101111010001
310212102002121
413311233101
51011230441
6112014241
723316415
oct7655721
93772077
102055121
111184052
12831381
1356c563
143b6d45
152a8dd1
hex1f5bd1

2055121 has 2 divisors, whose sum is σ = 2055122. Its totient is φ = 2055120.

The previous prime is 2055107. The next prime is 2055127. The reversal of 2055121 is 1215502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 336400 = 1311^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055121 - 25 = 2055089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2055095 and 2055104.

It is not a weakly prime, because it can be changed into another prime (2055127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027560 + 1027561.

It is an arithmetic number, because the mean of its divisors is an integer number (1027561).

22055121 is an apocalyptic number.

It is an amenable number.

2055121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055121 is an equidigital number, since it uses as much as digits as its factorization.

2055121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2055121 is about 1433.5693216584. The cubic root of 2055121 is about 127.1390998703.

The spelling of 2055121 in words is "two million, fifty-five thousand, one hundred twenty-one".