1298229 has 4 divisors (see below), whose sum is σ = 1730976. Its totient is φ = 865484.

The previous prime is 1298221. The next prime is 1298261. The reversal of 1298229 is 9228921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1298229 - 2³ = 1298221 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

1298229 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1298229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216369 + ... + 216374.

It is an arithmetic number, because the mean of its divisors is an integer number (432744).

2^1298229 is an apocalyptic number.

It is an amenable number.

1298229 is a deficient number, since it is larger than the sum of its proper divisors (432747).

1298229 is an equidigital number, since it uses as much as digits as its factorization.

1298229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432746.

The product of its digits is 5184, while the sum is 33.

The square root of 1298229 is about 1139.3985255388. The cubic root of 1298229 is about 109.0897053529.

The spelling of 1298229 in words is "one million, two hundred ninety-eight thousand, two hundred twenty-nine".