109700128 has 24 divisors (see below), whose sum is σ = 216913788. Its totient is φ = 54610944.

The previous prime is 109700119. The next prime is 109700131. The reversal of 109700128 is 821007901.

It can be written as a sum of positive squares in 2 ways, for example, as 109579024 + 121104 = 10468^2 + 348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109700096 and 109700105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 14812.

Almost surely, 2^109700128 is an apocalyptic number.

It is an amenable number.

109700128 is a deficient number, since it is larger than the sum of its proper divisors (107213660).

109700128 is a wasteful number, since it uses less digits than its factorization.

109700128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956 (or 14948 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 109700128 is about 10473.7828887179. The cubic root of 109700128 is about 478.7061916843.

The spelling of 109700128 in words is "one hundred nine million, seven hundred thousand, one hundred twenty-eight".