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1342109 is a prime number
BaseRepresentation
bin101000111101010011101
32112012000202
411013222131
5320421414
644433245
714256566
oct5075235
92465022
101342109
1183738a
12548825
1337cb62
1426d16d
151b79de
hex147a9d

1342109 has 2 divisors, whose sum is σ = 1342110. Its totient is φ = 1342108.

The previous prime is 1342093. The next prime is 1342111. The reversal of 1342109 is 9012431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994009 + 348100 = 997^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342109 - 24 = 1342093 is a prime.

It is a Sophie Germain prime.

Together with 1342111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671054 + 671055.

It is an arithmetic number, because the mean of its divisors is an integer number (671055).

21342109 is an apocalyptic number.

It is an amenable number.

1342109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342109 is an equidigital number, since it uses as much as digits as its factorization.

1342109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1342109 is about 1158.4942813842. The cubic root of 1342109 is about 110.3051855636.

The spelling of 1342109 in words is "one million, three hundred forty-two thousand, one hundred nine".