1148993 has 4 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 1132740.

The previous prime is 1148989. The next prime is 1148999. The reversal of 1148993 is 3998411.

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: 3998411 = 31 ⋅128981.

It is a cyclic number.

It is not a de Polignac number, because 1148993 - 2² = 1148989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1148999) 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, 8021 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (291312).

2^1148993 is an apocalyptic number.

It is an amenable number.

1148993 is a deficient number, since it is larger than the sum of its proper divisors (16255).

1148993 is an equidigital number, since it uses as much as digits as its factorization.

1148993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16254.

The product of its digits is 7776, while the sum is 35.

The square root of 1148993 is about 1071.9109104772. The cubic root of 1148993 is about 104.7383659991.

The spelling of 1148993 in words is "one million, one hundred forty-eight thousand, nine hundred ninety-three".