109489012 has 6 divisors (see below), whose sum is σ = 191605778. Its totient is φ = 54744504.

The previous prime is 109488997. The next prime is 109489013. The reversal of 109489012 is 210984901.

It can be written as a sum of positive squares in only one way, i.e., 93199716 + 16289296 = 9654^2 + 4036^2 .

It is a super-2 number, since 2×109489012² = 23975687497472288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109489013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13686123 + ... + 13686130.

Almost surely, 2^109489012 is an apocalyptic number.

It is an amenable number.

109489012 is a deficient number, since it is larger than the sum of its proper divisors (82116766).

109489012 is a wasteful number, since it uses less digits than its factorization.

109489012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27372257 (or 27372255 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 109489012 is about 10463.6997281076. The cubic root of 109489012 is about 478.3989072152.

The spelling of 109489012 in words is "one hundred nine million, four hundred eighty-nine thousand, twelve".