1278496108 has 12 divisors (see below), whose sum is σ = 2238516000. Its totient is φ = 638920112.

The previous prime is 1278496103. The next prime is 1278496129. The reversal of 1278496108 is 8016948721.

It is a super-2 number, since 2×1278496108² = 3269104596342295328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1278496103) 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, 73108 + ... + 88891.

It is an arithmetic number, because the mean of its divisors is an integer number (186543000).

Almost surely, 2^1278496108 is an apocalyptic number.

It is an amenable number.

1278496108 is a deficient number, since it is larger than the sum of its proper divisors (960019892).

1278496108 is a wasteful number, since it uses less digits than its factorization.

1278496108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163976 (or 163974 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 1278496108 is about 35756.0639332687. The cubic root of 1278496108 is about 1085.3416517707.

The spelling of 1278496108 in words is "one billion, two hundred seventy-eight million, four hundred ninety-six thousand, one hundred eight".