1151123003 has 4 divisors (see below), whose sum is σ = 1154601048. Its totient is φ = 1147644960.

The previous prime is 1151122997. The next prime is 1151123027. The reversal of 1151123003 is 3003211511.

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 1151123003 - 2⁶ = 1151122939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151123053) 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, 1738526 + ... + 1739187.

It is an arithmetic number, because the mean of its divisors is an integer number (288650262).

Almost surely, 2^1151123003 is an apocalyptic number.

1151123003 is a deficient number, since it is larger than the sum of its proper divisors (3478045).

1151123003 is an equidigital number, since it uses as much as digits as its factorization.

1151123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478044.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1151123003 is about 33928.2036512398. The cubic root of 1151123003 is about 1048.0304736759.

Adding to 1151123003 its reverse (3003211511), we get a palindrome (4154334514).

The spelling of 1151123003 in words is "one billion, one hundred fifty-one million, one hundred twenty-three thousand, three".