1158008249 has 4 divisors (see below), whose sum is σ = 1168830864. Its totient is φ = 1147185636.

The previous prime is 1158008237. The next prime is 1158008311. The reversal of 1158008249 is 9428008511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9428008511 = 1091 ⋅8641621.

It is a cyclic number.

It is not a de Polignac number, because 1158008249 - 2⁴ = 1158008233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158008849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5411147 + ... + 5411360.

It is an arithmetic number, because the mean of its divisors is an integer number (292207716).

Almost surely, 2^1158008249 is an apocalyptic number.

It is an amenable number.

1158008249 is a deficient number, since it is larger than the sum of its proper divisors (10822615).

1158008249 is a wasteful number, since it uses less digits than its factorization.

1158008249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822614.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1158008249 is about 34029.5202581523. The cubic root of 1158008249 is about 1050.1158599288.

The spelling of 1158008249 in words is "one billion, one hundred fifty-eight million, eight thousand, two hundred forty-nine".