103868551 has 4 divisors (see below), whose sum is σ = 104168232. Its totient is φ = 103568872.

The previous prime is 103868549. The next prime is 103868563. The reversal of 103868551 is 155868301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155868301 = 29 ⋅5374769.

It is a cyclic number.

It is not a de Polignac number, because 103868551 - 2¹ = 103868549 is a prime.

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 103868551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103868651) 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, 149320 + ... + 150013.

It is an arithmetic number, because the mean of its divisors is an integer number (26042058).

Almost surely, 2^103868551 is an apocalyptic number.

103868551 is a deficient number, since it is larger than the sum of its proper divisors (299681).

103868551 is an equidigital number, since it uses as much as digits as its factorization.

103868551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299680.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 103868551 is about 10191.5921719818. The cubic root of 103868551 is about 470.0687254263.

The spelling of 103868551 in words is "one hundred three million, eight hundred sixty-eight thousand, five hundred fifty-one".