1189875079 has 2 divisors, whose sum is σ = 1189875080. Its totient is φ = 1189875078.

The previous prime is 1189875073. The next prime is 1189875131. The reversal of 1189875079 is 9705789811.

It is a weak prime.

It is an emirp because it is prime and its reverse (9705789811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1189875079 - 2⁵ = 1189875047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1189875073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594937539 + 594937540.

It is an arithmetic number, because the mean of its divisors is an integer number (594937540).

Almost surely, 2^1189875079 is an apocalyptic number.

1189875079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189875079 is an equidigital number, since it uses as much as digits as its factorization.

1189875079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 55.

The square root of 1189875079 is about 34494.5659343613. The cubic root of 1189875079 is about 1059.6614199878.

The spelling of 1189875079 in words is "one billion, one hundred eighty-nine million, eight hundred seventy-five thousand, seventy-nine".