104121117253 has 2 divisors, whose sum is σ = 104121117254. Its totient is φ = 104121117252.

The previous prime is 104121117187. The next prime is 104121117293. The reversal of 104121117253 is 352711121401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62283687489 + 41837429764 = 249567^2 + 204542^2 .

It is an emirp because it is prime and its reverse (352711121401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121117253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104121117293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52060558626 + 52060558627.

It is an arithmetic number, because the mean of its divisors is an integer number (52060558627).

Almost surely, 2^104121117253 is an apocalyptic number.

It is an amenable number.

104121117253 is a deficient number, since it is larger than the sum of its proper divisors (1).

104121117253 is an equidigital number, since it uses as much as digits as its factorization.

104121117253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 104121117253 its reverse (352711121401), we get a palindrome (456832238654).

The spelling of 104121117253 in words is "one hundred four billion, one hundred twenty-one million, one hundred seventeen thousand, two hundred fifty-three".