1242383 has 4 divisors (see below), whose sum is σ = 1245600. Its totient is φ = 1239168.

The previous prime is 1242379. The next prime is 1242403. The reversal of 1242383 is 3832421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3832421 = 23 ⋅166627.

It is a cyclic number.

It is not a de Polignac number, because 1242383 - 2² = 1242379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247383) 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, 935 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (311400).

2^1242383 is an apocalyptic number.

1242383 is a deficient number, since it is larger than the sum of its proper divisors (3217).

1242383 is an equidigital number, since it uses as much as digits as its factorization.

1242383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 1152, while the sum is 23.

The square root of 1242383 is about 1114.6223575723. The cubic root of 1242383 is about 107.5024841683.

The spelling of 1242383 in words is "one million, two hundred forty-two thousand, three hundred eighty-three".