1220518883 has 2 divisors, whose sum is σ = 1220518884. Its totient is φ = 1220518882.

The previous prime is 1220518879. The next prime is 1220518907. The reversal of 1220518883 is 3888150221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220518883 - 2² = 1220518879 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220518183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610259441 + 610259442.

It is an arithmetic number, because the mean of its divisors is an integer number (610259442).

Almost surely, 2^1220518883 is an apocalyptic number.

1220518883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220518883 is an equidigital number, since it uses as much as digits as its factorization.

1220518883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1220518883 is about 34935.9253920660. The cubic root of 1220518883 is about 1068.6811955387.

The spelling of 1220518883 in words is "one billion, two hundred twenty million, five hundred eighteen thousand, eight hundred eighty-three".