1282340678 has 4 divisors (see below), whose sum is σ = 1923511020. Its totient is φ = 641170338.

The previous prime is 1282340669. The next prime is 1282340681. The reversal of 1282340678 is 8760432821.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1282340678² = 3288795228906999368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320585168 + ... + 320585171.

It is an arithmetic number, because the mean of its divisors is an integer number (480877755).

Almost surely, 2^1282340678 is an apocalyptic number.

1282340678 is a deficient number, since it is larger than the sum of its proper divisors (641170342).

1282340678 is an equidigital number, since it uses as much as digits as its factorization.

1282340678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641170341.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1282340678 is about 35809.7846684394. The cubic root of 1282340678 is about 1086.4284746270.

The spelling of 1282340678 in words is "one billion, two hundred eighty-two million, three hundred forty thousand, six hundred seventy-eight".