1220337061 has 16 divisors (see below), whose sum is σ = 1319198400. Its totient is φ = 1124639488.

The previous prime is 1220337047. The next prime is 1220337121. The reversal of 1220337061 is 1607330221.

It is not a de Polignac number, because 1220337061 - 2¹¹ = 1220335013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220337361) 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 15 ways as a sum of consecutive naturals, for example, 267546 + ... + 272068.

It is an arithmetic number, because the mean of its divisors is an integer number (82449900).

Almost surely, 2^1220337061 is an apocalyptic number.

It is an amenable number.

1220337061 is a deficient number, since it is larger than the sum of its proper divisors (98861339).

1220337061 is a wasteful number, since it uses less digits than its factorization.

1220337061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1220337061 is about 34933.3230741079. The cubic root of 1220337061 is about 1068.6281253774.

Adding to 1220337061 its reverse (1607330221), we get a palindrome (2827667282).

The spelling of 1220337061 in words is "one billion, two hundred twenty million, three hundred thirty-seven thousand, sixty-one".