1048119509 has 2 divisors, whose sum is σ = 1048119510. Its totient is φ = 1048119508.

The previous prime is 1048119493. The next prime is 1048119559. The reversal of 1048119509 is 9059118401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015378225 + 32741284 = 31865^2 + 5722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048119509 - 2⁴ = 1048119493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048119559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524059754 + 524059755.

It is an arithmetic number, because the mean of its divisors is an integer number (524059755).

Almost surely, 2^1048119509 is an apocalyptic number.

It is an amenable number.

1048119509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048119509 is an equidigital number, since it uses as much as digits as its factorization.

1048119509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 1048119509 is about 32374.6738825274. The cubic root of 1048119509 is about 1015.7892246362.

The spelling of 1048119509 in words is "one billion, forty-eight million, one hundred nineteen thousand, five hundred nine".