1240033 has 4 divisors (see below), whose sum is σ = 1242928. Its totient is φ = 1237140.

The previous prime is 1240027. The next prime is 1240039. The reversal of 1240033 is 3300421.

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: 3300421 = 167 ⋅19763.

It is an interprime number because it is at equal distance from previous prime (1240027) and next prime (1240039).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1239995 and 1240022.

It is not an unprimeable number, because it can be changed into a prime (1240039) 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, 663 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (310732).

2^1240033 is an apocalyptic number.

It is an amenable number.

1240033 is a deficient number, since it is larger than the sum of its proper divisors (2895).

1240033 is an equidigital number, since it uses as much as digits as its factorization.

1240033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894.

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

The square root of 1240033 is about 1113.5676899048. The cubic root of 1240033 is about 107.4346601314.

Adding to 1240033 its reverse (3300421), we get a palindrome (4540454).

The spelling of 1240033 in words is "one million, two hundred forty thousand, thirty-three".