109278748 has 12 divisors (see below), whose sum is σ = 191328592. Its totient is φ = 54613440.

The previous prime is 109278733. The next prime is 109278749. The reversal of 109278748 is 847872901.

It is a junction number, because it is equal to n+sod(n) for n = 109278698 and 109278707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109278749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428 + ... + 15748.

Almost surely, 2^109278748 is an apocalyptic number.

It is an amenable number.

109278748 is a deficient number, since it is larger than the sum of its proper divisors (82049844).

109278748 is a wasteful number, since it uses less digits than its factorization.

109278748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 109278748 is about 10453.6475930653. The cubic root of 109278748 is about 478.0924699870.

The spelling of 109278748 in words is "one hundred nine million, two hundred seventy-eight thousand, seven hundred forty-eight".