101100489 has 16 divisors (see below), whose sum is σ = 154346880. Its totient is φ = 57663360.

The previous prime is 101100473. The next prime is 101100497. The reversal of 101100489 is 984001101.

It is not a de Polignac number, because 101100489 - 2⁴ = 101100473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101100449) 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 15 ways as a sum of consecutive naturals, for example, 7719 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (9646680).

Almost surely, 2^101100489 is an apocalyptic number.

It is an amenable number.

101100489 is a deficient number, since it is larger than the sum of its proper divisors (53246391).

101100489 is an equidigital number, since it uses as much as digits as its factorization.

101100489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 101100489 is about 10054.8738927945. The cubic root of 101100489 is about 465.8553478466.

The spelling of 101100489 in words is "one hundred one million, one hundred thousand, four hundred eighty-nine".