981229 has 4 divisors (see below), whose sum is σ = 997920. Its totient is φ = 964540.

The previous prime is 981221. The next prime is 981241. The reversal of 981229 is 922189.

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, and also an emirpimes, since its reverse is a distinct semiprime: 922189 = 773 ⋅1193.

It is a cyclic number.

It is not a de Polignac number, because 981229 - 2³ = 981221 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 981229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981221) 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, 8257 + ... + 8374.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2⁹⁸¹²²⁹ is an apocalyptic number.

It is an amenable number.

981229 is a deficient number, since it is larger than the sum of its proper divisors (16691).

981229 is a wasteful number, since it uses less digits than its factorization.

981229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16690.

The product of its digits is 2592, while the sum is 31.

The square root of 981229 is about 990.5700379075. The cubic root of 981229 is about 99.3703436501.

The spelling of 981229 in words is "nine hundred eighty-one thousand, two hundred twenty-nine".