1148321 has 4 divisors (see below), whose sum is σ = 1198272. Its totient is φ = 1098372.

The previous prime is 1148311. The next prime is 1148327. The reversal of 1148321 is 1238411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1148321 - 2¹⁰ = 1147297 is a prime.

It is a super-2 number, since 2×1148321² = 2637282238082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1148293 and 1148302.

It is not an unprimeable number, because it can be changed into a prime (1148327) 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, 24941 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (299568).

2^1148321 is an apocalyptic number.

It is an amenable number.

1148321 is a deficient number, since it is larger than the sum of its proper divisors (49951).

1148321 is an equidigital number, since it uses as much as digits as its factorization.

1148321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49950.

The product of its digits is 192, while the sum is 20.

The square root of 1148321 is about 1071.5974057453. The cubic root of 1148321 is about 104.7179429248.

The spelling of 1148321 in words is "one million, one hundred forty-eight thousand, three hundred twenty-one".