104200525121 has 24 divisors (see below), whose sum is σ = 132312576960. Its totient is φ = 81145864800.

The previous prime is 104200525087. The next prime is 104200525139. The reversal of 104200525121 is 121525002401.

It is not a de Polignac number, because 104200525121 - 2⁶ = 104200525057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104200525171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841676 + ... + 957506.

It is an arithmetic number, because the mean of its divisors is an integer number (5513024040).

Almost surely, 2^104200525121 is an apocalyptic number.

104200525121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104200525121 is a deficient number, since it is larger than the sum of its proper divisors (28112051839).

104200525121 is a wasteful number, since it uses less digits than its factorization.

104200525121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117525 (or 117518 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 104200525121 its reverse (121525002401), we get a palindrome (225725527522).

The spelling of 104200525121 in words is "one hundred four billion, two hundred million, five hundred twenty-five thousand, one hundred twenty-one".