1220054124 has 12 divisors (see below), whose sum is σ = 2846792984. Its totient is φ = 406684704.

The previous prime is 1220054123. The next prime is 1220054149. The reversal of 1220054124 is 4214500221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1220054124.

It is not an unprimeable number, because it can be changed into a prime (1220054123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50835577 + ... + 50835600.

Almost surely, 2^1220054124 is an apocalyptic number.

It is an amenable number.

1220054124 is an abundant number, since it is smaller than the sum of its proper divisors (1626738860).

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

1220054124 is a wasteful number, since it uses less digits than its factorization.

1220054124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101671184 (or 101671182 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1220054124 is about 34929.2731673592. The cubic root of 1220054124 is about 1068.5455313095.

Adding to 1220054124 its reverse (4214500221), we get a palindrome (5434554345).

The spelling of 1220054124 in words is "one billion, two hundred twenty million, fifty-four thousand, one hundred twenty-four".