101278768 has 20 divisors (see below), whose sum is σ = 201532240. Its totient is φ = 49270464.

The previous prime is 101278763. The next prime is 101278777. The reversal of 101278768 is 867872101.

It is a self number, because there is not a number n which added to its sum of digits gives 101278768.

It is not an unprimeable number, because it can be changed into a prime (101278763) 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, 84948 + ... + 86131.

It is an arithmetic number, because the mean of its divisors is an integer number (10076612).

Almost surely, 2^101278768 is an apocalyptic number.

It is an amenable number.

101278768 is a deficient number, since it is larger than the sum of its proper divisors (100253472).

101278768 is a wasteful number, since it uses less digits than its factorization.

101278768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171124 (or 171118 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 101278768 is about 10063.7352906364. The cubic root of 101278768 is about 466.1290143623.

The spelling of 101278768 in words is "one hundred one million, two hundred seventy-eight thousand, seven hundred sixty-eight".