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1942201 is a prime number
BaseRepresentation
bin111011010001010111001
310122200012101
413122022321
5444122301
6105343401
722336252
oct7321271
93580171
101942201
111107228
12797b61
13530041
14387b29
15285701
hex1da2b9

1942201 has 2 divisors, whose sum is σ = 1942202. Its totient is φ = 1942200.

The previous prime is 1942183. The next prime is 1942207. The reversal of 1942201 is 1022491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 189225 = 1324^2 + 435^2 .

It is an emirp because it is prime and its reverse (1022491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1942201 - 25 = 1942169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1942207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971100 + 971101.

It is an arithmetic number, because the mean of its divisors is an integer number (971101).

21942201 is an apocalyptic number.

It is an amenable number.

1942201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942201 is an equidigital number, since it uses as much as digits as its factorization.

1942201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1942201 is about 1393.6287166961. The cubic root of 1942201 is about 124.7665188305.

Adding to 1942201 its reverse (1022491), we get a palindrome (2964692).

The spelling of 1942201 in words is "one million, nine hundred forty-two thousand, two hundred one".