10455600121 has 2 divisors, whose sum is σ = 10455600122. Its totient is φ = 10455600120.

The previous prime is 10455600109. The next prime is 10455600149. The reversal of 10455600121 is 12100655401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7192905721 + 3262694400 = 84811^2 + 57120^2 .

It is an emirp because it is prime and its reverse (12100655401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10455600121 is a prime.

It is not a weakly prime, because it can be changed into another prime (10455600191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5227800060 + 5227800061.

It is an arithmetic number, because the mean of its divisors is an integer number (5227800061).

Almost surely, 2^10455600121 is an apocalyptic number.

It is an amenable number.

10455600121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10455600121 is an equidigital number, since it uses as much as digits as its factorization.

10455600121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 10455600121 in words is "ten billion, four hundred fifty-five million, six hundred thousand, one hundred twenty-one".