1242201224 has 32 divisors (see below), whose sum is σ = 2560896000. Its totient is φ = 560185920.

The previous prime is 1242201223. The next prime is 1242201241. The reversal of 1242201224 is 4221022421.

It is a junction number, because it is equal to n+sod(n) for n = 1242201196 and 1242201205.

It is not an unprimeable number, because it can be changed into a prime (1242201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44399 + ... + 66750.

It is an arithmetic number, because the mean of its divisors is an integer number (80028000).

Almost surely, 2^1242201224 is an apocalyptic number.

It is an amenable number.

1242201224 is an abundant number, since it is smaller than the sum of its proper divisors (1318694776).

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

1242201224 is a wasteful number, since it uses less digits than its factorization.

1242201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111293 (or 111289 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1242201224 is about 35244.8751451895. The cubic root of 1242201224 is about 1074.9724093153.

Adding to 1242201224 its reverse (4221022421), we get a palindrome (5463223645).

The spelling of 1242201224 in words is "one billion, two hundred forty-two million, two hundred one thousand, two hundred twenty-four".