104051421 has 12 divisors (see below), whose sum is σ = 152761180. Its totient is φ = 68230080.

The previous prime is 104051419. The next prime is 104051461. The reversal of 104051421 is 124150401.

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 97239321 = 2610^2 + 9861^2 .

It is not a de Polignac number, because 104051421 - 2¹ = 104051419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104051394 and 104051403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104051411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94216 + ... + 95313.

Almost surely, 2^104051421 is an apocalyptic number.

It is an amenable number.

104051421 is a deficient number, since it is larger than the sum of its proper divisors (48709759).

104051421 is a wasteful number, since it uses less digits than its factorization.

104051421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189596 (or 189593 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104051421 is about 10200.5598375775. The cubic root of 104051421 is about 470.3444298900.

The spelling of 104051421 in words is "one hundred four million, fifty-one thousand, four hundred twenty-one".