1158851241 has 12 divisors (see below), whose sum is σ = 1675975860. Its totient is φ = 771607680.

The previous prime is 1158851171. The next prime is 1158851261. The reversal of 1158851241 is 1421588511.

1158851241 is a `hidden beast` number, since 1 + 1 + 588 + 51 + 24 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1045875600 + 112975641 = 32340^2 + 10629^2 .

It is not a de Polignac number, because 1158851241 - 2¹⁷ = 1158720169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1158851196 and 1158851205.

It is not an unprimeable number, because it can be changed into a prime (1158851261) 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 11 ways as a sum of consecutive naturals, for example, 72300 + ... + 86861.

It is an arithmetic number, because the mean of its divisors is an integer number (139664655).

Almost surely, 2^1158851241 is an apocalyptic number.

It is an amenable number.

1158851241 is a deficient number, since it is larger than the sum of its proper divisors (517124619).

1158851241 is a wasteful number, since it uses less digits than its factorization.

1158851241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159976 (or 159973 counting only the distinct ones).

The product of its digits is 12800, while the sum is 36.

The square root of 1158851241 is about 34041.9041917458. The cubic root of 1158851241 is about 1050.3706147483.

The spelling of 1158851241 in words is "one billion, one hundred fifty-eight million, eight hundred fifty-one thousand, two hundred forty-one".