1220104052 has 6 divisors (see below), whose sum is σ = 2135182098. Its totient is φ = 610052024.

The previous prime is 1220104051. The next prime is 1220104079. The reversal of 1220104052 is 2504010221.

It can be written as a sum of positive squares in only one way, i.e., 1099850896 + 120253156 = 33164^2 + 10966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1220104052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220104051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152513003 + ... + 152513010.

It is an arithmetic number, because the mean of its divisors is an integer number (355863683).

Almost surely, 2^1220104052 is an apocalyptic number.

It is an amenable number.

1220104052 is a deficient number, since it is larger than the sum of its proper divisors (915078046).

1220104052 is a wasteful number, since it uses less digits than its factorization.

1220104052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305026017 (or 305026015 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1220104052 is about 34929.9878614351. The cubic root of 1220104052 is about 1068.5601070600.

Adding to 1220104052 its reverse (2504010221), we get a palindrome (3724114273).

The spelling of 1220104052 in words is "one billion, two hundred twenty million, one hundred four thousand, fifty-two".