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1217093 is a prime number
BaseRepresentation
bin100101001001001000101
32021211112112
410221021011
5302421333
642030405
713226243
oct4511105
92254475
101217093
11761469
124a8405
13337c97
14239793
15190948
hex129245

1217093 has 2 divisors, whose sum is σ = 1217094. Its totient is φ = 1217092.

The previous prime is 1217089. The next prime is 1217107. The reversal of 1217093 is 3907121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 484 = 1103^2 + 22^2 .

It is an emirp because it is prime and its reverse (3907121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1217093 - 22 = 1217089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1217023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608546 + 608547.

It is an arithmetic number, because the mean of its divisors is an integer number (608547).

21217093 is an apocalyptic number.

It is an amenable number.

1217093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217093 is an equidigital number, since it uses as much as digits as its factorization.

1217093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1217093 is about 1103.2193798153. The cubic root of 1217093 is about 106.7680362295.

The spelling of 1217093 in words is "one million, two hundred seventeen thousand, ninety-three".