1220060503 has 4 divisors (see below), whose sum is σ = 1223280040. Its totient is φ = 1216840968.

The previous prime is 1220060483. The next prime is 1220060551. The reversal of 1220060503 is 3050600221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220060503 is a prime.

It is a super-2 number, since 2×1220060503² = 2977095261961226018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220060563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609200 + ... + 1609957.

It is an arithmetic number, because the mean of its divisors is an integer number (305820010).

Almost surely, 2^1220060503 is an apocalyptic number.

1220060503 is a deficient number, since it is larger than the sum of its proper divisors (3219537).

1220060503 is an equidigital number, since it uses as much as digits as its factorization.

1220060503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219536.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1220060503 is about 34929.3644803337. The cubic root of 1220060503 is about 1068.5473935876.

Adding to 1220060503 its reverse (3050600221), we get a palindrome (4270660724).

The spelling of 1220060503 in words is "one billion, two hundred twenty million, sixty thousand, five hundred three".