101224 has 8 divisors (see below), whose sum is σ = 189810. Its totient is φ = 50608.

The previous prime is 101221. The next prime is 101267. The reversal of 101224 is 422101.

It can be written as a sum of positive squares in only one way, i.e., 101124 + 100 = 318^2 + 10^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 101224.

It is not an unprimeable number, because it can be changed into a prime (101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319 + ... + 6334.

2¹⁰¹²²⁴ is an apocalyptic number.

It is an amenable number.

101224 is a deficient number, since it is larger than the sum of its proper divisors (88586).

101224 is a wasteful number, since it uses less digits than its factorization.

101224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 101224 is about 318.1571938523. The cubic root of 101224 is about 46.6044977147.

Adding to 101224 its reverse (422101), we get a palindrome (523325).

It can be divided in two parts, 101 and 224, that added together give a triangular number (325 = T₂₅).

The spelling of 101224 in words is "one hundred one thousand, two hundred twenty-four", and thus it is an iban number.