1200102224 has 20 divisors (see below), whose sum is σ = 2325884244. Its totient is φ = 599874048.

The previous prime is 1200102221. The next prime is 1200102251. The reversal of 1200102224 is 4222010021.

It can be written as a sum of positive squares in 2 ways, for example, as 1174295824 + 25806400 = 34268^2 + 5080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200102199 and 1200102208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102221) 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, 57854 + ... + 75810.

Almost surely, 2^1200102224 is an apocalyptic number.

It is an amenable number.

1200102224 is a deficient number, since it is larger than the sum of its proper divisors (1125782020).

1200102224 is a wasteful number, since it uses less digits than its factorization.

1200102224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142 (or 22136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1200102224 is about 34642.4915963041. The cubic root of 1200102224 is about 1062.6887431063.

Adding to 1200102224 its reverse (4222010021), we get a palindrome (5422112245).

The spelling of 1200102224 in words is "one billion, two hundred million, one hundred two thousand, two hundred twenty-four".