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1270417 is a prime number
BaseRepresentation
bin100110110001010010001
32101112200111
410312022101
5311123132
643121321
713540561
oct4661221
92345614
101270417
11798535
12513241
13356335
14250da1
151a1647
hex136291

1270417 has 2 divisors, whose sum is σ = 1270418. Its totient is φ = 1270416.

The previous prime is 1270391. The next prime is 1270421. The reversal of 1270417 is 7140721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 221841 = 1024^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270417 - 211 = 1268369 is a prime.

It is a super-2 number, since 2×12704172 = 3227918707778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635208 + 635209.

It is an arithmetic number, because the mean of its divisors is an integer number (635209).

21270417 is an apocalyptic number.

It is an amenable number.

1270417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270417 is an equidigital number, since it uses as much as digits as its factorization.

1270417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1270417 is about 1127.1277656060. The cubic root of 1270417 is about 108.3050645505.

It can be divided in two parts, 12704 and 17, that added together give a palindrome (12721).

The spelling of 1270417 in words is "one million, two hundred seventy thousand, four hundred seventeen".