104121242501 has 4 divisors (see below), whose sum is σ = 104702925600. Its totient is φ = 103539559404.

The previous prime is 104121242441. The next prime is 104121242503. The reversal of 104121242501 is 105242121401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104121242501 - 2⁶ = 104121242437 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 (104121242503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290841281 + ... + 290841638.

It is an arithmetic number, because the mean of its divisors is an integer number (26175731400).

Almost surely, 2^104121242501 is an apocalyptic number.

It is an amenable number.

104121242501 is a deficient number, since it is larger than the sum of its proper divisors (581683099).

104121242501 is an equidigital number, since it uses as much as digits as its factorization.

104121242501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581683098.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 104121242501 its reverse (105242121401), we get a palindrome (209363363902).

The spelling of 104121242501 in words is "one hundred four billion, one hundred twenty-one million, two hundred forty-two thousand, five hundred one".