109988501 has 8 divisors (see below), whose sum is σ = 125833344. Its totient is φ = 94176720.

The previous prime is 109988497. The next prime is 109988509. The reversal of 109988501 is 105889901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109988501 - 2² = 109988497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109988509) by changing a digit.

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, 665 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (15729168).

Almost surely, 2^109988501 is an apocalyptic number.

It is an amenable number.

109988501 is a deficient number, since it is larger than the sum of its proper divisors (15844843).

109988501 is a wasteful number, since it uses less digits than its factorization.

109988501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 109988501 is about 10487.5402740585. The cubic root of 109988501 is about 479.1252892042.

The spelling of 109988501 in words is "one hundred nine million, nine hundred eighty-eight thousand, five hundred one".