109020001 has 4 divisors (see below), whose sum is σ = 109488132. Its totient is φ = 108551872.

The previous prime is 109019987. The next prime is 109020011. The reversal of 109020001 is 100020901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100020901 = 3617 ⋅27653.

It can be written as a sum of positive squares in 2 ways, for example, as 51624225 + 57395776 = 7185^2 + 7576^2 .

It is a cyclic number.

It is not a de Polignac number, because 109020001 - 2⁹ = 109019489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109020011) 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, 233716 + ... + 234181.

It is an arithmetic number, because the mean of its divisors is an integer number (27372033).

Almost surely, 2^109020001 is an apocalyptic number.

It is an amenable number.

109020001 is a deficient number, since it is larger than the sum of its proper divisors (468131).

109020001 is an equidigital number, since it uses as much as digits as its factorization.

109020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468130.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 109020001 is about 10441.2643391497. The cubic root of 109020001 is about 477.7148340231.

Adding to 109020001 its reverse (100020901), we get a palindrome (209040902).

The spelling of 109020001 in words is "one hundred nine million, twenty thousand, one".