1030243 has 4 divisors (see below), whose sum is σ = 1033560. Its totient is φ = 1026928.

The previous prime is 1030241. The next prime is 1030247. The reversal of 1030243 is 3420301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420301 = 151 ⋅22651.

It is a cyclic number.

It is not a de Polignac number, because 1030243 - 2¹ = 1030241 is a prime.

It is a super-2 number, since 2×1030243² = 2122801278098, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1030241) 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, 1138 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (258390).

2^1030243 is an apocalyptic number.

1030243 is a deficient number, since it is larger than the sum of its proper divisors (3317).

1030243 is an equidigital number, since it uses as much as digits as its factorization.

1030243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1030243 is about 1015.0088669563. The cubic root of 1030243 is about 100.9981047254.

Adding to 1030243 its reverse (3420301), we get a palindrome (4450544).

The spelling of 1030243 in words is "one million, thirty thousand, two hundred forty-three".