103212587 has 6 divisors (see below), whose sum is σ = 103721028. Its totient is φ = 102706604.

The previous prime is 103212581. The next prime is 103212589. The reversal of 103212587 is 785212301.

It is not a de Polignac number, because 103212587 - 2¹⁸ = 102950443 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103212581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50528 + ... + 52530.

It is an arithmetic number, because the mean of its divisors is an integer number (17286838).

Almost surely, 2^103212587 is an apocalyptic number.

103212587 is a deficient number, since it is larger than the sum of its proper divisors (508441).

103212587 is an frugal number, since it uses more digits than its factorization.

103212587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 103212587 is about 10159.3595762725. The cubic root of 103212587 is about 469.0770888751.

Adding to 103212587 its reverse (785212301), we get a palindrome (888424888).

The spelling of 103212587 in words is "one hundred three million, two hundred twelve thousand, five hundred eighty-seven".