1179944939 has 2 divisors, whose sum is σ = 1179944940. Its totient is φ = 1179944938.

The previous prime is 1179944929. The next prime is 1179944977. The reversal of 1179944939 is 9394499711.

It is a weak prime.

It is an emirp because it is prime and its reverse (9394499711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1179944939 - 2¹² = 1179940843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1179944929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589972469 + 589972470.

It is an arithmetic number, because the mean of its divisors is an integer number (589972470).

Almost surely, 2^1179944939 is an apocalyptic number.

1179944939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179944939 is an equidigital number, since it uses as much as digits as its factorization.

1179944939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 56.

The square root of 1179944939 is about 34350.3266214457. The cubic root of 1179944939 is about 1056.7053687999.

The spelling of 1179944939 in words is "one billion, one hundred seventy-nine million, nine hundred forty-four thousand, nine hundred thirty-nine".