109912001 has 4 divisors (see below), whose sum is σ = 113702100. Its totient is φ = 106121904.

The previous prime is 109911947. The next prime is 109912007. The reversal of 109912001 is 100219901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100219901 = 23 ⋅4357387.

It can be written as a sum of positive squares in 2 ways, for example, as 86862400 + 23049601 = 9320^2 + 4801^2 .

It is not a de Polignac number, because 109912001 - 2¹⁸ = 109649857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109912007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895006 + ... + 1895063.

It is an arithmetic number, because the mean of its divisors is an integer number (28425525).

Almost surely, 2^109912001 is an apocalyptic number.

It is an amenable number.

109912001 is a deficient number, since it is larger than the sum of its proper divisors (3790099).

109912001 is an equidigital number, since it uses as much as digits as its factorization.

109912001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790098.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 109912001 is about 10483.8924546182. The cubic root of 109912001 is about 479.0141818753.

The spelling of 109912001 in words is "one hundred nine million, nine hundred twelve thousand, one".