1220104552 has 64 divisors (see below), whose sum is σ = 2544151680. Its totient is φ = 545605632.

The previous prime is 1220104547. The next prime is 1220104577. The reversal of 1220104552 is 2554010221.

It is a super-3 number, since 3×1220104552³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 508668 + ... + 511060.

It is an arithmetic number, because the mean of its divisors is an integer number (39752370).

Almost surely, 2^1220104552 is an apocalyptic number.

It is an amenable number.

1220104552 is an abundant number, since it is smaller than the sum of its proper divisors (1324047128).

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

1220104552 is a wasteful number, since it uses less digits than its factorization.

1220104552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1220104552 is about 34929.9950186083. The cubic root of 1220104552 is about 1068.5602530257.

Adding to 1220104552 its reverse (2554010221), we get a palindrome (3774114773).

The spelling of 1220104552 in words is "one billion, two hundred twenty million, one hundred four thousand, five hundred fifty-two".