1150331123 has 2 divisors, whose sum is σ = 1150331124. Its totient is φ = 1150331122.

The previous prime is 1150331111. The next prime is 1150331159. The reversal of 1150331123 is 3211330511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1150331123 - 2⁶ = 1150331059 is a prime.

It is a super-2 number, since 2×1150331123² = 2646523385084882258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1150331095 and 1150331104.

It is not a weakly prime, because it can be changed into another prime (1150331183) 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 as a sum of consecutive naturals, namely, 575165561 + 575165562.

It is an arithmetic number, because the mean of its divisors is an integer number (575165562).

Almost surely, 2^1150331123 is an apocalyptic number.

1150331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150331123 is an equidigital number, since it uses as much as digits as its factorization.

1150331123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1150331123 is about 33916.5317065292. The cubic root of 1150331123 is about 1047.7900983361.

Adding to 1150331123 its reverse (3211330511), we get a palindrome (4361661634).

The spelling of 1150331123 in words is "one billion, one hundred fifty million, three hundred thirty-one thousand, one hundred twenty-three".