1224002056 has 8 divisors (see below), whose sum is σ = 2295003870. Its totient is φ = 612001024.

The previous prime is 1224002051. The next prime is 1224002081. The reversal of 1224002056 is 6502004221.

It can be written as a sum of positive squares in only one way, i.e., 1162128100 + 61873956 = 34090^2 + 7866^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1224002051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76500121 + ... + 76500136.

Almost surely, 2^1224002056 is an apocalyptic number.

It is an amenable number.

1224002056 is a deficient number, since it is larger than the sum of its proper divisors (1071001814).

1224002056 is a wasteful number, since it uses less digits than its factorization.

1224002056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153000263 (or 153000259 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1224002056 is about 34985.7407524837. The cubic root of 1224002056 is about 1069.6968471842.

Adding to 1224002056 its reverse (6502004221), we get a palindrome (7726006277).

The spelling of 1224002056 in words is "one billion, two hundred twenty-four million, two thousand, fifty-six".