45121103 has 2 divisors, whose sum is σ = 45121104. Its totient is φ = 45121102.

The previous prime is 45121099. The next prime is 45121117. The reversal of 45121103 is 30112154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45121103 - 2² = 45121099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45121183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560551 + 22560552.

It is an arithmetic number, because the mean of its divisors is an integer number (22560552).

Almost surely, 2^45121103 is an apocalyptic number.

45121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

45121103 is an equidigital number, since it uses as much as digits as its factorization.

45121103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 45121103 is about 6717.2243523646. The cubic root of 45121103 is about 356.0081190548.

Adding to 45121103 its reverse (30112154), we get a palindrome (75233257).

The spelling of 45121103 in words is "forty-five million, one hundred twenty-one thousand, one hundred three".