1150747979 has 2 divisors, whose sum is σ = 1150747980. Its totient is φ = 1150747978.

The previous prime is 1150747909. The next prime is 1150747999. The reversal of 1150747979 is 9797470511.

It is a strong prime.

It is an emirp because it is prime and its reverse (9797470511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150747979 is a prime.

It is a super-2 number, since 2×1150747979² = 2648441822345168882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150747909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575373989 + 575373990.

It is an arithmetic number, because the mean of its divisors is an integer number (575373990).

Almost surely, 2^1150747979 is an apocalyptic number.

1150747979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150747979 is an equidigital number, since it uses as much as digits as its factorization.

1150747979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 50.

The square root of 1150747979 is about 33922.6764716465. The cubic root of 1150747979 is about 1047.9166488082.

The spelling of 1150747979 in words is "one billion, one hundred fifty million, seven hundred forty-seven thousand, nine hundred seventy-nine".