1220510017 has 8 divisors (see below), whose sum is σ = 1254903552. Its totient is φ = 1186336800.

The previous prime is 1220509991. The next prime is 1220510029. The reversal of 1220510017 is 7100150221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220510017 - 2¹¹ = 1220507969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220509976 and 1220510003.

It is not an unprimeable number, because it can be changed into a prime (1220510047) 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, 43813 + ... + 66034.

It is an arithmetic number, because the mean of its divisors is an integer number (156862944).

Almost surely, 2^1220510017 is an apocalyptic number.

It is an amenable number.

1220510017 is a deficient number, since it is larger than the sum of its proper divisors (34393535).

1220510017 is a wasteful number, since it uses less digits than its factorization.

1220510017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110159.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1220510017 is about 34935.7985023958. The cubic root of 1220510017 is about 1068.6786078550.

Adding to 1220510017 its reverse (7100150221), we get a palindrome (8320660238).

It can be divided in two parts, 12205 and 10017, that added together give a palindrome (22222).

The spelling of 1220510017 in words is "one billion, two hundred twenty million, five hundred ten thousand, seventeen".