1148540117 has 4 divisors (see below), whose sum is σ = 1148800800. Its totient is φ = 1148279436.

The previous prime is 1148540089. The next prime is 1148540153. The reversal of 1148540117 is 7110458411.

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: 7110458411 = 7 ⋅1015779773.

It is a cyclic number.

It is not a de Polignac number, because 1148540117 - 2⁶ = 1148540053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148549117) 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, 123617 + ... + 132582.

It is an arithmetic number, because the mean of its divisors is an integer number (287200200).

Almost surely, 2^1148540117 is an apocalyptic number.

It is an amenable number.

1148540117 is a deficient number, since it is larger than the sum of its proper divisors (260683).

1148540117 is an equidigital number, since it uses as much as digits as its factorization.

1148540117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260682.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 1148540117 is about 33890.1182795221. The cubic root of 1148540117 is about 1047.2460308988.

Adding to 1148540117 its reverse (7110458411), we get a palindrome (8258998528).

The spelling of 1148540117 in words is "one billion, one hundred forty-eight million, five hundred forty thousand, one hundred seventeen".