102875581 has 4 divisors (see below), whose sum is σ = 103936252. Its totient is φ = 101814912.

The previous prime is 102875569. The next prime is 102875593. The reversal of 102875581 is 185578201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102875569) and next prime (102875593).

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 39816100 = 7941^2 + 6310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102875581 is a prime.

It is a super-2 number, since 2×102875581² = 21166770332175122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102875581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102875501) 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 3 ways as a sum of consecutive naturals, for example, 530190 + ... + 530383.

It is an arithmetic number, because the mean of its divisors is an integer number (25984063).

Almost surely, 2^102875581 is an apocalyptic number.

It is an amenable number.

102875581 is a deficient number, since it is larger than the sum of its proper divisors (1060671).

102875581 is an equidigital number, since it uses as much as digits as its factorization.

102875581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060670.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 102875581 is about 10142.7600287101. The cubic root of 102875581 is about 468.5659943626.

The spelling of 102875581 in words is "one hundred two million, eight hundred seventy-five thousand, five hundred eighty-one".