109081026 has 16 divisors (see below), whose sum is σ = 242402400. Its totient is φ = 36360324.

The previous prime is 109081013. The next prime is 109081057. The reversal of 109081026 is 620180901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009956 + ... + 1010063.

It is an arithmetic number, because the mean of its divisors is an integer number (15150150).

Almost surely, 2^109081026 is an apocalyptic number.

109081026 is an abundant number, since it is smaller than the sum of its proper divisors (133321374).

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

109081026 is a wasteful number, since it uses less digits than its factorization.

109081026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020030 (or 2020024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 109081026 is about 10444.1862296686. The cubic root of 109081026 is about 477.8039525632.

The spelling of 109081026 in words is "one hundred nine million, eighty-one thousand, twenty-six".