1152988379 has 2 divisors, whose sum is σ = 1152988380. Its totient is φ = 1152988378.

The previous prime is 1152988313. The next prime is 1152988391. The reversal of 1152988379 is 9738892511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152988379 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1152988379.

It is not a weakly prime, because it can be changed into another prime (1152988979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576494189 + 576494190.

It is an arithmetic number, because the mean of its divisors is an integer number (576494190).

Almost surely, 2^1152988379 is an apocalyptic number.

1152988379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152988379 is an equidigital number, since it uses as much as digits as its factorization.

1152988379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 53.

The square root of 1152988379 is about 33955.6825730245. The cubic root of 1152988379 is about 1048.5962735768.

The spelling of 1152988379 in words is "one billion, one hundred fifty-two million, nine hundred eighty-eight thousand, three hundred seventy-nine".