1154011282 has 4 divisors (see below), whose sum is σ = 1731016926. Its totient is φ = 577005640.

The previous prime is 1154011277. The next prime is 1154011321. The reversal of 1154011282 is 2821104511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2821104511 = 53 ⋅53228387.

It can be written as a sum of positive squares in only one way, i.e., 963543681 + 190467601 = 31041^2 + 13801^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288502819 + ... + 288502822.

Almost surely, 2^1154011282 is an apocalyptic number.

1154011282 is a deficient number, since it is larger than the sum of its proper divisors (577005644).

1154011282 is an equidigital number, since it uses as much as digits as its factorization.

1154011282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577005643.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1154011282 is about 33970.7415579937. The cubic root of 1154011282 is about 1048.9062782138.

Adding to 1154011282 its reverse (2821104511), we get a palindrome (3975115793).

It can be divided in two parts, 11540 and 11282, that added together give a palindrome (22822).

The spelling of 1154011282 in words is "one billion, one hundred fifty-four million, eleven thousand, two hundred eighty-two".