Search a number
-
+
1297057 is a prime number
BaseRepresentation
bin100111100101010100001
32102220020011
410330222201
5313001212
643444521
714011336
oct4745241
92386204
101297057
11806553
12526741
133654b8
1425a98d
151a94a7
hex13caa1

1297057 has 2 divisors, whose sum is σ = 1297058. Its totient is φ = 1297056.

The previous prime is 1297027. The next prime is 1297061. The reversal of 1297057 is 7507921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1290496 + 6561 = 1136^2 + 81^2 .

It is a cyclic number.

It is not a de Polignac number, because 1297057 - 27 = 1296929 is a prime.

It is a super-2 number, since 2×12970572 = 3364713722498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1297027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648528 + 648529.

It is an arithmetic number, because the mean of its divisors is an integer number (648529).

21297057 is an apocalyptic number.

It is an amenable number.

1297057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297057 is an equidigital number, since it uses as much as digits as its factorization.

1297057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1297057 is about 1138.8841029710. The cubic root of 1297057 is about 109.0568678931.

The spelling of 1297057 in words is "one million, two hundred ninety-seven thousand, fifty-seven".