1019161147 has 2 divisors, whose sum is σ = 1019161148. Its totient is φ = 1019161146.

The previous prime is 1019161139. The next prime is 1019161163. The reversal of 1019161147 is 7411619101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1019161147 - 2³ = 1019161139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1019164147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509580573 + 509580574.

It is an arithmetic number, because the mean of its divisors is an integer number (509580574).

Almost surely, 2^1019161147 is an apocalyptic number.

1019161147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019161147 is an equidigital number, since it uses as much as digits as its factorization.

1019161147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The square root of 1019161147 is about 31924.3033909904. The cubic root of 1019161147 is about 1006.3466833943.

The spelling of 1019161147 in words is "one billion, nineteen million, one hundred sixty-one thousand, one hundred forty-seven".