1154928863 has 4 divisors (see below), whose sum is σ = 1259922408. Its totient is φ = 1049935320.

The previous prime is 1154928829. The next prime is 1154928869. The reversal of 1154928863 is 3688294511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1154928863 - 2²⁴ = 1138151647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154928869) 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, 52496756 + ... + 52496777.

It is an arithmetic number, because the mean of its divisors is an integer number (314980602).

Almost surely, 2^1154928863 is an apocalyptic number.

1154928863 is a deficient number, since it is larger than the sum of its proper divisors (104993545).

1154928863 is a wasteful number, since it uses less digits than its factorization.

1154928863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104993544.

The product of its digits is 414720, while the sum is 47.

The square root of 1154928863 is about 33984.2443346913. The cubic root of 1154928863 is about 1049.1842077595.

The spelling of 1154928863 in words is "one billion, one hundred fifty-four million, nine hundred twenty-eight thousand, eight hundred sixty-three".