104248421 has 4 divisors (see below), whose sum is σ = 109735200. Its totient is φ = 98761644.

The previous prime is 104248411. The next prime is 104248429. The reversal of 104248421 is 124842401.

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: 124842401 = 53 ⋅2355517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104248421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104248429) 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, 2743361 + ... + 2743398.

It is an arithmetic number, because the mean of its divisors is an integer number (27433800).

Almost surely, 2^104248421 is an apocalyptic number.

It is an amenable number.

104248421 is a deficient number, since it is larger than the sum of its proper divisors (5486779).

104248421 is an equidigital number, since it uses as much as digits as its factorization.

104248421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486778.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 104248421 is about 10210.2116040756. The cubic root of 104248421 is about 470.6410762885.

The spelling of 104248421 in words is "one hundred four million, two hundred forty-eight thousand, four hundred twenty-one".