104154421 has 4 divisors (see below), whose sum is σ = 119033632. Its totient is φ = 89275212.

The previous prime is 104154403. The next prime is 104154439. The reversal of 104154421 is 124451401.

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: 124451401 = 197 ⋅631733.

It is an interprime number because it is at equal distance from previous prime (104154403) and next prime (104154439).

It is a cyclic number.

It is not a de Polignac number, because 104154421 - 2¹⁹ = 103630133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104154392 and 104154401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104154481) 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, 7439595 + ... + 7439608.

It is an arithmetic number, because the mean of its divisors is an integer number (29758408).

Almost surely, 2^104154421 is an apocalyptic number.

It is an amenable number.

104154421 is a deficient number, since it is larger than the sum of its proper divisors (14879211).

104154421 is an equidigital number, since it uses as much as digits as its factorization.

104154421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14879210.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 104154421 is about 10205.6073312665. The cubic root of 104154421 is about 470.4995759363.

The spelling of 104154421 in words is "one hundred four million, one hundred fifty-four thousand, four hundred twenty-one".