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1273241 is a prime number
BaseRepresentation
bin100110110110110011001
32101200120002
410312312121
5311220431
643142345
713552034
oct4666631
92350502
101273241
1179a672
125149b5
133576c8
1425201b
151a23cb
hex136d99

1273241 has 2 divisors, whose sum is σ = 1273242. Its totient is φ = 1273240.

The previous prime is 1273231. The next prime is 1273267. The reversal of 1273241 is 1423721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 265225 = 1004^2 + 515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1273241 is a prime.

It is a super-2 number, since 2×12732412 = 3242285288162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1273231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636620 + 636621.

It is an arithmetic number, because the mean of its divisors is an integer number (636621).

21273241 is an apocalyptic number.

It is an amenable number.

1273241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273241 is an equidigital number, since it uses as much as digits as its factorization.

1273241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 1273241 is about 1128.3798119428. The cubic root of 1273241 is about 108.3852553212.

Adding to 1273241 its reverse (1423721), we get a palindrome (2696962).

The spelling of 1273241 in words is "one million, two hundred seventy-three thousand, two hundred forty-one".