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BaseRepresentation
bin10100010010
31210002
4110102
520143
610002
73533
oct2422
91702
101298
11a80
12902
1378b
1468a
155b8
hex512

1298 has 8 divisors (see below), whose sum is σ = 2160. Its totient is φ = 580.

The previous prime is 1297. The next prime is 1301. The reversal of 1298 is 8921.

1298 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (144) is a multiple of the sum of its prime divisors (72).

1298 is strictly pandigital in base 5.

It is a plaindrome in base 13 and base 14.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 51.

It is an arithmetic number, because the mean of its divisors is an integer number (270).

21298 is an apocalyptic number.

1298 is a deficient number, since it is larger than the sum of its proper divisors (862).

1298 is a wasteful number, since it uses less digits than its factorization.

1298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72.

The product of its digits is 144, while the sum is 20.

The square root of 1298 is about 36.0277670693. The cubic root of 1298 is about 10.9083290714.

It can be divided in two parts, 12 and 98, that multiplied together give a triangular number (1176 = T48).

The spelling of 1298 in words is "one thousand, two hundred ninety-eight".

Divisors: 1 2 11 22 59 118 649 1298