100602289 has 4 divisors (see below), whose sum is σ = 101639524. Its totient is φ = 99565056.

The previous prime is 100602239. The next prime is 100602301. The reversal of 100602289 is 982206001.

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: 982206001 = 7 ⋅140315143.

It can be written as a sum of positive squares in 2 ways, for example, as 51840000 + 48762289 = 7200^2 + 6983^2 .

It is a cyclic number.

It is not a de Polignac number, because 100602289 - 2⁹ = 100601777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100602239) 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, 518472 + ... + 518665.

It is an arithmetic number, because the mean of its divisors is an integer number (25409881).

Almost surely, 2^100602289 is an apocalyptic number.

It is an amenable number.

100602289 is a deficient number, since it is larger than the sum of its proper divisors (1037235).

100602289 is an equidigital number, since it uses as much as digits as its factorization.

100602289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037234.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 100602289 is about 10030.0692420342. The cubic root of 100602289 is about 465.0888780665.

The spelling of 100602289 in words is "one hundred million, six hundred two thousand, two hundred eighty-nine".