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1214197 is a prime number
BaseRepresentation
bin100101000011011110101
32021200120021
410220123311
5302323242
642005141
713214635
oct4503365
92250507
101214197
1175a276
124a67b1
1333687a
142386c5
1518eb67
hex1286f5

1214197 has 2 divisors, whose sum is σ = 1214198. Its totient is φ = 1214196.

The previous prime is 1214189. The next prime is 1214219. The reversal of 1214197 is 7914121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 77841 = 1066^2 + 279^2 .

It is an emirp because it is prime and its reverse (7914121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214197 - 23 = 1214189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607098 + 607099.

It is an arithmetic number, because the mean of its divisors is an integer number (607099).

21214197 is an apocalyptic number.

It is an amenable number.

1214197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214197 is an equidigital number, since it uses as much as digits as its factorization.

1214197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 1214197 is about 1101.9060758522. The cubic root of 1214197 is about 106.6832862559.

The spelling of 1214197 in words is "one million, two hundred fourteen thousand, one hundred ninety-seven".