103878257 has 4 divisors (see below), whose sum is σ = 118718016. Its totient is φ = 89038500.

The previous prime is 103878233. The next prime is 103878259. The reversal of 103878257 is 752878301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 752878301 = 7 ⋅107554043.

It is a cyclic number.

It is not a de Polignac number, because 103878257 - 2⁶ = 103878193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103878259) 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, 7419869 + ... + 7419882.

It is an arithmetic number, because the mean of its divisors is an integer number (29679504).

Almost surely, 2^103878257 is an apocalyptic number.

It is an amenable number.

103878257 is a deficient number, since it is larger than the sum of its proper divisors (14839759).

103878257 is an equidigital number, since it uses as much as digits as its factorization.

103878257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14839758.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 103878257 is about 10192.0683376830. The cubic root of 103878257 is about 470.0833668325.

The spelling of 103878257 in words is "one hundred three million, eight hundred seventy-eight thousand, two hundred fifty-seven".