1220152504 has 32 divisors (see below), whose sum is σ = 2309100480. Its totient is φ = 604416384.

The previous prime is 1220152501. The next prime is 1220152517. The reversal of 1220152504 is 4052510221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220152501) 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 7 ways as a sum of consecutive naturals, for example, 497409 + ... + 499855.

It is an arithmetic number, because the mean of its divisors is an integer number (72159390).

Almost surely, 2^1220152504 is an apocalyptic number.

It is an amenable number.

1220152504 is a deficient number, since it is larger than the sum of its proper divisors (1088947976).

1220152504 is a wasteful number, since it uses less digits than its factorization.

1220152504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 3003 counting only the distinct ones).

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

The square root of 1220152504 is about 34930.6814133363. The cubic root of 1220152504 is about 1068.5742515337.

Adding to 1220152504 its reverse (4052510221), we get a palindrome (5272662725).

The spelling of 1220152504 in words is "one billion, two hundred twenty million, one hundred fifty-two thousand, five hundred four".