1151441123 has 4 divisors (see below), whose sum is σ = 1315932720. Its totient is φ = 986949528.

The previous prime is 1151441101. The next prime is 1151441129. The reversal of 1151441123 is 3211441511.

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 1151441123 - 2²⁶ = 1084332259 is a prime.

It is a super-2 number, since 2×1151441123² = 2651633319471002258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151441129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82245788 + ... + 82245801.

It is an arithmetic number, because the mean of its divisors is an integer number (328983180).

Almost surely, 2^1151441123 is an apocalyptic number.

1151441123 is a deficient number, since it is larger than the sum of its proper divisors (164491597).

1151441123 is an equidigital number, since it uses as much as digits as its factorization.

1151441123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164491596.

The product of its digits is 480, while the sum is 23.

The square root of 1151441123 is about 33932.8914624145. The cubic root of 1151441123 is about 1048.1270080299.

Adding to 1151441123 its reverse (3211441511), we get a palindrome (4362882634).

The spelling of 1151441123 in words is "one billion, one hundred fifty-one million, four hundred forty-one thousand, one hundred twenty-three".