1158925841 has 2 divisors, whose sum is σ = 1158925842. Its totient is φ = 1158925840.

The previous prime is 1158925837. The next prime is 1158925847. The reversal of 1158925841 is 1485298511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102240000 + 56685841 = 33200^2 + 7529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158925841 - 2² = 1158925837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1158925792 and 1158925801.

It is not a weakly prime, because it can be changed into another prime (1158925847) 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, 579462920 + 579462921.

It is an arithmetic number, because the mean of its divisors is an integer number (579462921).

Almost surely, 2^1158925841 is an apocalyptic number.

It is an amenable number.

1158925841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158925841 is an equidigital number, since it uses as much as digits as its factorization.

1158925841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 44.

The square root of 1158925841 is about 34042.9998825015. Note that the first 3 decimals coincide. The cubic root of 1158925841 is about 1050.3931531506.

The spelling of 1158925841 in words is "one billion, one hundred fifty-eight million, nine hundred twenty-five thousand, eight hundred forty-one".