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1314191 is a prime number
BaseRepresentation
bin101000000110110001111
32110202201202
411000312033
5314023231
644100115
714112314
oct5006617
92422652
101314191
1181840a
1253463b
13370238
14262d0b
151ae5cb
hex140d8f

1314191 has 2 divisors, whose sum is σ = 1314192. Its totient is φ = 1314190.

The previous prime is 1314179. The next prime is 1314199. The reversal of 1314191 is 1914131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1914131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1314191 - 26 = 1314127 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657095 + 657096.

It is an arithmetic number, because the mean of its divisors is an integer number (657096).

21314191 is an apocalyptic number.

1314191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314191 is an equidigital number, since it uses as much as digits as its factorization.

1314191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 20.

The square root of 1314191 is about 1146.3816990863. The cubic root of 1314191 is about 109.5349790601.

It can be divided in two parts, 13141 and 91, that multiplied together give a triangular number (1195831 = T1546).

The spelling of 1314191 in words is "one million, three hundred fourteen thousand, one hundred ninety-one".