1154928755 has 4 divisors (see below), whose sum is σ = 1385914512. Its totient is φ = 923943000.

The previous prime is 1154928721. The next prime is 1154928757. The reversal of 1154928755 is 5578294511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5578294511 = 61 ⋅91447451.

It is not a de Polignac number, because 1154928755 - 2¹⁶ = 1154863219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154928757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115492871 + ... + 115492880.

It is an arithmetic number, because the mean of its divisors is an integer number (346478628).

Almost surely, 2^1154928755 is an apocalyptic number.

1154928755 is a deficient number, since it is larger than the sum of its proper divisors (230985757).

1154928755 is an equidigital number, since it uses as much as digits as its factorization.

1154928755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230985756.

The product of its digits is 504000, while the sum is 47.

The square root of 1154928755 is about 33984.2427457197. The cubic root of 1154928755 is about 1049.1841750556.

It can be divided in two parts, 11549 and 28755, that added together give a palindrome (40304).

The spelling of 1154928755 in words is "one billion, one hundred fifty-four million, nine hundred twenty-eight thousand, seven hundred fifty-five".