1278106096 has 80 divisors (see below), whose sum is σ = 2658981600. Its totient is φ = 593961984.

The previous prime is 1278106069. The next prime is 1278106103. The reversal of 1278106096 is 6906018721.

It is a super-2 number, since 2×1278106096² = 3267110385264722432, 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 in 15 ways as a sum of consecutive naturals, for example, 1870971 + ... + 1871653.

It is an arithmetic number, because the mean of its divisors is an integer number (33237270).

Almost surely, 2^1278106096 is an apocalyptic number.

1278106096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1278106096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329490800).

1278106096 is an abundant number, since it is smaller than the sum of its proper divisors (1380875504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1278106096 is a wasteful number, since it uses less digits than its factorization.

1278106096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1278106096 is about 35750.6097290662. The cubic root of 1278106096 is about 1085.2312774760.

The spelling of 1278106096 in words is "one billion, two hundred seventy-eight million, one hundred six thousand, ninety-six".