103648049 has 4 divisors (see below), whose sum is σ = 104268864. Its totient is φ = 103027236.

The previous prime is 103648033. The next prime is 103648087. The reversal of 103648049 is 940846301.

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: 940846301 = 53 ⋅17751817.

It is a cyclic number.

It is not a de Polignac number, because 103648049 - 2⁴ = 103648033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103648849) 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 3 ways as a sum of consecutive naturals, for example, 310157 + ... + 310490.

It is an arithmetic number, because the mean of its divisors is an integer number (26067216).

Almost surely, 2^103648049 is an apocalyptic number.

It is an amenable number.

103648049 is a deficient number, since it is larger than the sum of its proper divisors (620815).

103648049 is an equidigital number, since it uses as much as digits as its factorization.

103648049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620814.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 103648049 is about 10180.7685859173. The cubic root of 103648049 is about 469.7358542909.

The spelling of 103648049 in words is "one hundred three million, six hundred forty-eight thousand, forty-nine".