109071240 has 32 divisors (see below), whose sum is σ = 327214080. Its totient is φ = 29085632.

The previous prime is 109071239. The next prime is 109071289. The reversal of 109071240 is 42170901.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 109071240.

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, 454344 + ... + 454583.

It is an arithmetic number, because the mean of its divisors is an integer number (10225440).

Almost surely, 2^109071240 is an apocalyptic number.

109071240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109071240 is an abundant number, since it is smaller than the sum of its proper divisors (218142840).

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

109071240 is a wasteful number, since it uses less digits than its factorization.

109071240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908941 (or 908937 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 109071240 is about 10443.7177288550. The cubic root of 109071240 is about 477.7896637069.

The spelling of 109071240 in words is "one hundred nine million, seventy-one thousand, two hundred forty".