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1385101 is a prime number
BaseRepresentation
bin101010010001010001101
32121101000001
411102022031
5323310401
645404301
714526124
oct5221215
92541001
101385101
11866713
12569691
133965b3
14280abb
151c5601
hex15228d

1385101 has 2 divisors, whose sum is σ = 1385102. Its totient is φ = 1385100.

The previous prime is 1385099. The next prime is 1385113. The reversal of 1385101 is 1015831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 51076 = 1155^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385101 - 21 = 1385099 is a prime.

Together with 1385099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692550 + 692551.

It is an arithmetic number, because the mean of its divisors is an integer number (692551).

21385101 is an apocalyptic number.

It is an amenable number.

1385101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385101 is an equidigital number, since it uses as much as digits as its factorization.

1385101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1385101 is about 1176.9031395999. The cubic root of 1385101 is about 111.4706364928.

The spelling of 1385101 in words is "one million, three hundred eighty-five thousand, one hundred one".