981224 has 8 divisors (see below), whose sum is σ = 1839810. Its totient is φ = 490608.

The previous prime is 981221. The next prime is 981241. The reversal of 981224 is 422189.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 16900 = 982^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 7 and base 15.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 981193 and 981202.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981224.

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 as a sum of consecutive naturals, namely, 61319 + ... + 61334.

2⁹⁸¹²²⁴ is an apocalyptic number.

It is an amenable number.

981224 is a deficient number, since it is larger than the sum of its proper divisors (858586).

981224 is a wasteful number, since it uses less digits than its factorization.

981224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122659 (or 122655 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 981224 is about 990.5675141049. The cubic root of 981224 is about 99.3701748643.

The spelling of 981224 in words is "nine hundred eighty-one thousand, two hundred twenty-four".