109231001 has 16 divisors (see below), whose sum is σ = 126707328. Its totient is φ = 93062400.

The previous prime is 109230997. The next prime is 109231033. The reversal of 109231001 is 100132901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109231001 - 2² = 109230997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109231061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48071 + ... + 50291.

It is an arithmetic number, because the mean of its divisors is an integer number (7919208).

Almost surely, 2^109231001 is an apocalyptic number.

109231001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109231001 is a deficient number, since it is larger than the sum of its proper divisors (17476327).

109231001 is a wasteful number, since it uses less digits than its factorization.

109231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 109231001 is about 10451.3635952444. The cubic root of 109231001 is about 478.0228291006.

Adding to 109231001 its reverse (100132901), we get a palindrome (209363902).

The spelling of 109231001 in words is "one hundred nine million, two hundred thirty-one thousand, one".