100102589 has 4 divisors (see below), whose sum is σ = 100155900. Its totient is φ = 100049280.

The previous prime is 100102567. The next prime is 100102591. The reversal of 100102589 is 985201001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 985201001 = 1367 ⋅720703.

It can be written as a sum of positive squares in 2 ways, for example, as 37027225 + 63075364 = 6085^2 + 7942^2 .

It is a cyclic number.

It is not a de Polignac number, because 100102589 - 2⁸ = 100102333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100152589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23732 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (25038975).

Almost surely, 2^100102589 is an apocalyptic number.

It is an amenable number.

100102589 is a deficient number, since it is larger than the sum of its proper divisors (53311).

100102589 is an equidigital number, since it uses as much as digits as its factorization.

100102589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53310.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 100102589 is about 10005.1281351115. The cubic root of 100102589 is about 464.3175544329.

The spelling of 100102589 in words is "one hundred million, one hundred two thousand, five hundred eighty-nine".