1048259939 has 2 divisors, whose sum is σ = 1048259940. Its totient is φ = 1048259938.

The previous prime is 1048259923. The next prime is 1048259999. The reversal of 1048259939 is 9399528401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1048259939 - 2⁴ = 1048259923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048259909) 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, 524129969 + 524129970.

It is an arithmetic number, because the mean of its divisors is an integer number (524129970).

Almost surely, 2^1048259939 is an apocalyptic number.

1048259939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048259939 is an equidigital number, since it uses as much as digits as its factorization.

1048259939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 1048259939 is about 32376.8426348216. The cubic root of 1048259939 is about 1015.8345887094.

The spelling of 1048259939 in words is "one billion, forty-eight million, two hundred fifty-nine thousand, nine hundred thirty-nine".