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2073121 is a prime number
BaseRepresentation
bin111111010001000100001
310220022210021
413322020201
51012314441
6112233441
723423041
oct7721041
93808707
102073121
111196626
1283b881
135777cb
143bd721
152ae3d1
hex1fa221

2073121 has 2 divisors, whose sum is σ = 2073122. Its totient is φ = 2073120.

The previous prime is 2073119. The next prime is 2073131. The reversal of 2073121 is 1213702.

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., 2062096 + 11025 = 1436^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073121 - 21 = 2073119 is a prime.

Together with 2073119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2073095 and 2073104.

It is not a weakly prime, because it can be changed into another prime (2073101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036560 + 1036561.

It is an arithmetic number, because the mean of its divisors is an integer number (1036561).

22073121 is an apocalyptic number.

It is an amenable number.

2073121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073121 is an equidigital number, since it uses as much as digits as its factorization.

2073121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2073121 is about 1439.8336709495. The cubic root of 2073121 is about 127.5092086134.

Adding to 2073121 its reverse (1213702), we get a palindrome (3286823).

The spelling of 2073121 in words is "two million, seventy-three thousand, one hundred twenty-one".