Search a number
-
+
1282069 is a prime number
BaseRepresentation
bin100111001000000010101
32102010200001
410321000111
5312011234
643251301
713616545
oct4710025
92363601
101282069
117a6268
12519b31
1335b729
14255325
151a4d14
hex139015

1282069 has 2 divisors, whose sum is σ = 1282070. Its totient is φ = 1282068.

The previous prime is 1282051. The next prime is 1282079. The reversal of 1282069 is 9602821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129969 + 152100 = 1063^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282069 - 27 = 1281941 is a prime.

It is a super-2 number, since 2×12820692 = 3287401841522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641034 + 641035.

It is an arithmetic number, because the mean of its divisors is an integer number (641035).

21282069 is an apocalyptic number.

It is an amenable number.

1282069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282069 is an equidigital number, since it uses as much as digits as its factorization.

1282069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1282069 is about 1132.2848581519. The cubic root of 1282069 is about 108.6351745261.

It can be divided in two parts, 128 and 2069, that added together give a cube (2197 = 133).

The spelling of 1282069 in words is "one million, two hundred eighty-two thousand, sixty-nine".