104121011 has 4 divisors (see below), whose sum is σ = 105291000. Its totient is φ = 102951024.

The previous prime is 104120983. The next prime is 104121013. The reversal of 104121011 is 110121401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104120983 and 104121001.

It is not an unprimeable number, because it can be changed into a prime (104121013) 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, 584861 + ... + 585038.

It is an arithmetic number, because the mean of its divisors is an integer number (26322750).

Almost surely, 2^104121011 is an apocalyptic number.

104121011 is a deficient number, since it is larger than the sum of its proper divisors (1169989).

104121011 is an equidigital number, since it uses as much as digits as its factorization.

104121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169988.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 104121011 is about 10203.9703547198. The cubic root of 104121011 is about 470.4492625914.

Adding to 104121011 its reverse (110121401), we get a palindrome (214242412).

The spelling of 104121011 in words is "one hundred four million, one hundred twenty-one thousand, eleven".