103866507 has 12 divisors (see below), whose sum is σ = 150676344. Its totient is φ = 68945760.

The previous prime is 103866493. The next prime is 103866509. The reversal of 103866507 is 705668301.

It is not a de Polignac number, because 103866507 - 2⁶ = 103866443 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (103866509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22669 + ... + 26862.

It is an arithmetic number, because the mean of its divisors is an integer number (12556362).

Almost surely, 2^103866507 is an apocalyptic number.

103866507 is a deficient number, since it is larger than the sum of its proper divisors (46809837).

103866507 is a wasteful number, since it uses less digits than its factorization.

103866507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49770 (or 49767 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 103866507 is about 10191.4918927505. The cubic root of 103866507 is about 470.0656419560.

The spelling of 103866507 in words is "one hundred three million, eight hundred sixty-six thousand, five hundred seven".