103685457 has 16 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 68397312.

The previous prime is 103685443. The next prime is 103685459. The reversal of 103685457 is 754586301.

It is not a de Polignac number, because 103685457 - 2¹⁰ = 103684433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103685459) 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 15 ways as a sum of consecutive naturals, for example, 174553 + ... + 175145.

It is an arithmetic number, because the mean of its divisors is an integer number (8731800).

Almost surely, 2^103685457 is an apocalyptic number.

It is an amenable number.

103685457 is a deficient number, since it is larger than the sum of its proper divisors (36023343).

103685457 is a wasteful number, since it uses less digits than its factorization.

103685457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 103685457 is about 10182.6056095677. The cubic root of 103685457 is about 469.7923588608.

The spelling of 103685457 in words is "one hundred three million, six hundred eighty-five thousand, four hundred fifty-seven".