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754121 is a prime number
BaseRepresentation
bin10111000000111001001
31102022110102
42320013021
5143112441
624055145
76260414
oct2700711
91368412
10754121
11475645
123044b5
13205334
14158b7b
15ed69b
hexb81c9

754121 has 2 divisors, whose sum is σ = 754122. Its totient is φ = 754120.

The previous prime is 754111. The next prime is 754123. The reversal of 754121 is 121457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 55225 = 836^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 754121 - 26 = 754057 is a prime.

Together with 754123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 754093 and 754102.

It is not a weakly prime, because it can be changed into another prime (754123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377060 + 377061.

It is an arithmetic number, because the mean of its divisors is an integer number (377061).

2754121 is an apocalyptic number.

It is an amenable number.

754121 is a deficient number, since it is larger than the sum of its proper divisors (1).

754121 is an equidigital number, since it uses as much as digits as its factorization.

754121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 20.

The square root of 754121 is about 868.4014048814. The cubic root of 754121 is about 91.0221336492.

Adding to 754121 its reverse (121457), we get a palindrome (875578).

The spelling of 754121 in words is "seven hundred fifty-four thousand, one hundred twenty-one".