1230493 has 4 divisors (see below), whose sum is σ = 1342368. Its totient is φ = 1118620.

The previous prime is 1230491. The next prime is 1230521. The reversal of 1230493 is 3940321.

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 1230493 - 2¹ = 1230491 is a prime.

It is a super-2 number, since 2×1230493² = 3028226046098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55921 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (335592).

2^1230493 is an apocalyptic number.

It is an amenable number.

1230493 is a deficient number, since it is larger than the sum of its proper divisors (111875).

1230493 is a wasteful number, since it uses less digits than its factorization.

1230493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111874.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1230493 is about 1109.2758899390. The cubic root of 1230493 is about 107.1584399769.

The spelling of 1230493 in words is "one million, two hundred thirty thousand, four hundred ninety-three".