1282672078 has 4 divisors (see below), whose sum is σ = 1924008120. Its totient is φ = 641336038.

The previous prime is 1282672051. The next prime is 1282672099. The reversal of 1282672078 is 8702762821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8702762821 = 24533 ⋅354737.

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, 320668018 + ... + 320668021.

It is an arithmetic number, because the mean of its divisors is an integer number (481002030).

Almost surely, 2^1282672078 is an apocalyptic number.

1282672078 is a deficient number, since it is larger than the sum of its proper divisors (641336042).

1282672078 is an equidigital number, since it uses as much as digits as its factorization.

1282672078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641336041.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 1282672078 is about 35814.4115964509. The cubic root of 1282672078 is about 1086.5220564630.

The spelling of 1282672078 in words is "one billion, two hundred eighty-two million, six hundred seventy-two thousand, seventy-eight".