1108901 has 4 divisors (see below), whose sum is σ = 1144704. Its totient is φ = 1073100.

The previous prime is 1108867. The next prime is 1108903. The reversal of 1108901 is 1098011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1098011 = 983 ⋅1117.

It is a cyclic number.

It is not a de Polignac number, because 1108901 - 2¹⁸ = 846757 is a prime.

It is a super-2 number, since 2×1108901² = 2459322855602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17855 + ... + 17916.

It is an arithmetic number, because the mean of its divisors is an integer number (286176).

2^1108901 is an apocalyptic number.

It is an amenable number.

1108901 is a deficient number, since it is larger than the sum of its proper divisors (35803).

1108901 is an equidigital number, since it uses as much as digits as its factorization.

1108901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35802.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1108901 is about 1053.0436838042. The cubic root of 1108901 is about 103.5056979912.

The spelling of 1108901 in words is "one million, one hundred eight thousand, nine hundred one".