1303442 has 8 divisors (see below), whose sum is σ = 2234496. Its totient is φ = 558612.

The previous prime is 1303439. The next prime is 1303453. The reversal of 1303442 is 2443031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1303442² = 3397922094728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303442.

It is an unprimeable number.

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, 46538 + ... + 46565.

It is an arithmetic number, because the mean of its divisors is an integer number (279312).

2^1303442 is an apocalyptic number.

1303442 is a deficient number, since it is larger than the sum of its proper divisors (931054).

1303442 is an equidigital number, since it uses as much as digits as its factorization.

1303442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93112.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1303442 is about 1141.6838441530. The cubic root of 1303442 is about 109.2355258383.

Adding to 1303442 its reverse (2443031), we get a palindrome (3746473).

The spelling of 1303442 in words is "one million, three hundred three thousand, four hundred forty-two".