1258792079 has 2 divisors, whose sum is σ = 1258792080. Its totient is φ = 1258792078.

The previous prime is 1258792057. The next prime is 1258792091. The reversal of 1258792079 is 9702978521.

It is a strong prime.

It is an emirp because it is prime and its reverse (9702978521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1258792079 - 2⁸ = 1258791823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258792039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629396039 + 629396040.

It is an arithmetic number, because the mean of its divisors is an integer number (629396040).

Almost surely, 2^1258792079 is an apocalyptic number.

1258792079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258792079 is an equidigital number, since it uses as much as digits as its factorization.

1258792079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1258792079 is about 35479.4599592497. The cubic root of 1258792079 is about 1079.7370413183.

The spelling of 1258792079 in words is "one billion, two hundred fifty-eight million, seven hundred ninety-two thousand, seventy-nine".