1228786342 has 8 divisors (see below), whose sum is σ = 2106490896. Its totient is φ = 526622712.

The previous prime is 1228786331. The next prime is 1228786343. The reversal of 1228786342 is 2436878221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228786343) 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, 43885213 + ... + 43885240.

It is an arithmetic number, because the mean of its divisors is an integer number (263311362).

Almost surely, 2^1228786342 is an apocalyptic number.

1228786342 is a deficient number, since it is larger than the sum of its proper divisors (877704554).

1228786342 is an equidigital number, since it uses as much as digits as its factorization.

1228786342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87770462.

The product of its digits is 258048, while the sum is 43.

The square root of 1228786342 is about 35054.0488674276. The cubic root of 1228786342 is about 1071.0887517508.

The spelling of 1228786342 in words is "one billion, two hundred twenty-eight million, seven hundred eighty-six thousand, three hundred forty-two".