1220521114 has 8 divisors (see below), whose sum is σ = 1830948948. Its totient is φ = 610204800.

The previous prime is 1220521061. The next prime is 1220521117. The reversal of 1220521114 is 4111250221.

It can be written as a sum of positive squares in 2 ways, for example, as 1187974089 + 32547025 = 34467^2 + 5705^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1220521091 and 1220521100.

It is not an unprimeable number, because it can be changed into a prime (1220521117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514 + ... + 50314.

Almost surely, 2^1220521114 is an apocalyptic number.

1220521114 is a deficient number, since it is larger than the sum of its proper divisors (610427834).

1220521114 is a wasteful number, since it uses less digits than its factorization.

1220521114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55760.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1220521114 is about 34935.9573219341. The cubic root of 1220521114 is about 1068.6818466897.

Adding to 1220521114 its reverse (4111250221), we get a palindrome (5331771335).

The spelling of 1220521114 in words is "one billion, two hundred twenty million, five hundred twenty-one thousand, one hundred fourteen".