104676421 has 2 divisors, whose sum is σ = 104676422. Its totient is φ = 104676420.

The previous prime is 104676419. The next prime is 104676449. The reversal of 104676421 is 124676401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65124900 + 39551521 = 8070^2 + 6289^2 .

It is a cyclic number.

It is not a de Polignac number, because 104676421 - 2¹ = 104676419 is a prime.

It is a super-2 number, since 2×104676421² = 21914306226738482, which contains 22 as substring.

Together with 104676419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104676521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52338210 + 52338211.

It is an arithmetic number, because the mean of its divisors is an integer number (52338211).

Almost surely, 2^104676421 is an apocalyptic number.

It is an amenable number.

104676421 is a deficient number, since it is larger than the sum of its proper divisors (1).

104676421 is an equidigital number, since it uses as much as digits as its factorization.

104676421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 104676421 is about 10231.1495444060. The cubic root of 104676421 is about 471.2842813609.

The spelling of 104676421 in words is "one hundred four million, six hundred seventy-six thousand, four hundred twenty-one".