1148955377 has 4 divisors (see below), whose sum is σ = 1149052836. Its totient is φ = 1148857920.

The previous prime is 1148955361. The next prime is 1148955383. The reversal of 1148955377 is 7735598411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 266211856 + 882743521 = 16316^2 + 29711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148955377 - 2⁴ = 1148955361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148955337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28148 + ... + 55589.

It is an arithmetic number, because the mean of its divisors is an integer number (287263209).

Almost surely, 2^1148955377 is an apocalyptic number.

It is an amenable number.

1148955377 is a deficient number, since it is larger than the sum of its proper divisors (97459).

1148955377 is an equidigital number, since it uses as much as digits as its factorization.

1148955377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97458.

The product of its digits is 1058400, while the sum is 50.

The square root of 1148955377 is about 33896.2442904815. The cubic root of 1148955377 is about 1047.3722279089.

It can be divided in two parts, 11489 and 55377, that added together give a palindrome (66866).

The spelling of 1148955377 in words is "one billion, one hundred forty-eight million, nine hundred fifty-five thousand, three hundred seventy-seven".