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1240097 is a prime number
BaseRepresentation
bin100101110110000100001
32100000002112
410232300201
5304140342
642325105
713353305
oct4566041
92300075
101240097
11777781
124b9795
133455b1
14243d05
15197682
hex12ec21

1240097 has 2 divisors, whose sum is σ = 1240098. Its totient is φ = 1240096.

The previous prime is 1240087. The next prime is 1240117. The reversal of 1240097 is 7900421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234321 + 5776 = 1111^2 + 76^2 .

It is an emirp because it is prime and its reverse (7900421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240097 - 24 = 1240081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620048 + 620049.

It is an arithmetic number, because the mean of its divisors is an integer number (620049).

21240097 is an apocalyptic number.

It is an amenable number.

1240097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240097 is an equidigital number, since it uses as much as digits as its factorization.

1240097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1240097 is about 1113.5964260000. The cubic root of 1240097 is about 107.4365083886.

The spelling of 1240097 in words is "one million, two hundred forty thousand, ninety-seven".