1220499107 has 2 divisors, whose sum is σ = 1220499108. Its totient is φ = 1220499106.

The previous prime is 1220499079. The next prime is 1220499127. The reversal of 1220499107 is 7019940221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220499107 - 2⁶ = 1220499043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220499127) 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 as a sum of consecutive naturals, namely, 610249553 + 610249554.

It is an arithmetic number, because the mean of its divisors is an integer number (610249554).

Almost surely, 2^1220499107 is an apocalyptic number.

1220499107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220499107 is an equidigital number, since it uses as much as digits as its factorization.

1220499107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1220499107 is about 34935.6423584854. The cubic root of 1220499107 is about 1068.6754235800.

The spelling of 1220499107 in words is "one billion, two hundred twenty million, four hundred ninety-nine thousand, one hundred seven".