1283742303 has 8 divisors (see below), whose sum is σ = 1735104048. Its totient is φ = 844104384.

The previous prime is 1283742247. The next prime is 1283742323. The reversal of 1283742303 is 3032473821.

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

It is not a de Polignac number, because 1283742303 - 2¹² = 1283738207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283742323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930700 + ... + 2931137.

It is an arithmetic number, because the mean of its divisors is an integer number (216888006).

Almost surely, 2^1283742303 is an apocalyptic number.

1283742303 is a deficient number, since it is larger than the sum of its proper divisors (451361745).

1283742303 is an equidigital number, since it uses as much as digits as its factorization.

1283742303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861913.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1283742303 is about 35829.3497429133. The cubic root of 1283742303 is about 1086.8241601284.

The spelling of 1283742303 in words is "one billion, two hundred eighty-three million, seven hundred forty-two thousand, three hundred three".