109432520 has 32 divisors (see below), whose sum is σ = 246741120. Its totient is φ = 43680960.

The previous prime is 109432501. The next prime is 109432537. The reversal of 109432520 is 25234901.

It is a Cunningham number, because it is equal to 10461²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 109432520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18305 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (7710660).

Almost surely, 2^109432520 is an apocalyptic number.

109432520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109432520 is an abundant number, since it is smaller than the sum of its proper divisors (137308600).

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

109432520 is a wasteful number, since it uses less digits than its factorization.

109432520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765 (or 5761 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 109432520 is about 10460.9999522034. Note that the first 4 decimals coincide. The cubic root of 109432520 is about 478.3166147550.

The spelling of 109432520 in words is "one hundred nine million, four hundred thirty-two thousand, five hundred twenty".