109042506 has 12 divisors (see below), whose sum is σ = 236258802. Its totient is φ = 36347496.

The previous prime is 109042489. The next prime is 109042543. The reversal of 109042506 is 605240901.

It can be written as a sum of positive squares in only one way, i.e., 59213025 + 49829481 = 7695^2 + 7059^2 .

It is a super-2 number, since 2×109042506² = 23780536229520072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109042506.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3028941 + ... + 3028976.

Almost surely, 2^109042506 is an apocalyptic number.

109042506 is an abundant number, since it is smaller than the sum of its proper divisors (127216296).

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

109042506 is a wasteful number, since it uses less digits than its factorization.

109042506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057925 (or 6057922 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 109042506 is about 10442.3419786942. The cubic root of 109042506 is about 477.7477033210.

The spelling of 109042506 in words is "one hundred nine million, forty-two thousand, five hundred six".