1151032123 has 2 divisors, whose sum is σ = 1151032124. Its totient is φ = 1151032122.

The previous prime is 1151032109. The next prime is 1151032177. The reversal of 1151032123 is 3212301511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151032123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151032123.

It is not a weakly prime, because it can be changed into another prime (1151032193) 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 as a sum of consecutive naturals, namely, 575516061 + 575516062.

It is an arithmetic number, because the mean of its divisors is an integer number (575516062).

Almost surely, 2^1151032123 is an apocalyptic number.

1151032123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151032123 is an equidigital number, since it uses as much as digits as its factorization.

1151032123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1151032123 is about 33926.8643260765. The cubic root of 1151032123 is about 1048.0028926338.

Adding to 1151032123 its reverse (3212301511), we get a palindrome (4363333634).

The spelling of 1151032123 in words is "one billion, one hundred fifty-one million, thirty-two thousand, one hundred twenty-three".