104636638121 has 8 divisors (see below), whose sum is σ = 106090963104. Its totient is φ = 103186923840.

The previous prime is 104636638087. The next prime is 104636638129. The reversal of 104636638121 is 121836636401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104636638121 - 2¹⁰ = 104636637097 is a prime.

It is a super-2 number, since 2×104636638121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104636638129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106960 + ... + 1197761.

It is an arithmetic number, because the mean of its divisors is an integer number (13261370388).

Almost surely, 2^104636638121 is an apocalyptic number.

It is an amenable number.

104636638121 is a deficient number, since it is larger than the sum of its proper divisors (1454324983).

104636638121 is an equidigital number, since it uses as much as digits as its factorization.

104636638121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305351.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 104636638121 in words is "one hundred four billion, six hundred thirty-six million, six hundred thirty-eight thousand, one hundred twenty-one".