102001224 has 64 divisors (see below), whose sum is σ = 290787840. Its totient is φ = 29537280.

The previous prime is 102001217. The next prime is 102001247. The reversal of 102001224 is 422100201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4312 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (4543560).

Almost surely, 2^102001224 is an apocalyptic number.

It is an amenable number.

102001224 is an abundant number, since it is smaller than the sum of its proper divisors (188786616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001224 is a wasteful number, since it uses less digits than its factorization.

102001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270 (or 19266 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102001224 is about 10099.5655352099. The cubic root of 102001224 is about 467.2347417595.

Adding to 102001224 its reverse (422100201), we get a palindrome (524101425).

The spelling of 102001224 in words is "one hundred two million, one thousand, two hundred twenty-four".