109972648 has 8 divisors (see below), whose sum is σ = 206198730. Its totient is φ = 54986320.

The previous prime is 109972633. The next prime is 109972649. The reversal of 109972648 is 846279901.

It can be written as a sum of positive squares in only one way, i.e., 83942244 + 26030404 = 9162^2 + 5102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 109972598 and 109972607.

It is not an unprimeable number, because it can be changed into a prime (109972649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6873283 + ... + 6873298.

Almost surely, 2^109972648 is an apocalyptic number.

It is an amenable number.

109972648 is a deficient number, since it is larger than the sum of its proper divisors (96226082).

109972648 is a wasteful number, since it uses less digits than its factorization.

109972648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746587 (or 13746583 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 109972648 is about 10486.7844451958. The cubic root of 109972648 is about 479.1022688033.

The spelling of 109972648 in words is "one hundred nine million, nine hundred seventy-two thousand, six hundred forty-eight".