104121120415 has 16 divisors (see below), whose sum is σ = 137685750048. Its totient is φ = 75101314176.

The previous prime is 104121120371. The next prime is 104121120419. The reversal of 104121120415 is 514021121401.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121120415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121120419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18623524 + ... + 18629113.

It is an arithmetic number, because the mean of its divisors is an integer number (8605359378).

Almost surely, 2^104121120415 is an apocalyptic number.

104121120415 is a deficient number, since it is larger than the sum of its proper divisors (33564629633).

104121120415 is a wasteful number, since it uses less digits than its factorization.

104121120415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37252698.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 104121120415 its reverse (514021121401), we get a palindrome (618142241816).

The spelling of 104121120415 in words is "one hundred four billion, one hundred twenty-one million, one hundred twenty thousand, four hundred fifteen".