1220098147 has 2 divisors, whose sum is σ = 1220098148. Its totient is φ = 1220098146.

The previous prime is 1220098141. The next prime is 1220098153. The reversal of 1220098147 is 7418900221.

It is a balanced prime because it is at equal distance from previous prime (1220098141) and next prime (1220098153).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220098147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220098141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610049073 + 610049074.

It is an arithmetic number, because the mean of its divisors is an integer number (610049074).

Almost surely, 2^1220098147 is an apocalyptic number.

1220098147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220098147 is an equidigital number, since it uses as much as digits as its factorization.

1220098147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1220098147 is about 34929.9033351082. The cubic root of 1220098147 is about 1068.5583832022.

Adding to 1220098147 its reverse (7418900221), we get a palindrome (8638998368).

The spelling of 1220098147 in words is "one billion, two hundred twenty million, ninety-eight thousand, one hundred forty-seven".