9972103 has 2 divisors, whose sum is σ = 9972104.
Its totient is φ = 9972102.
The previous prime is 9972101. The next prime is 9972119. The reversal of 9972103 is 3012799.
9972103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 9972103 - 21 = 9972101 is a prime.
Together with 9972101, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9972101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986051 + 4986052.
It is an arithmetic number, because the mean of its divisors is an integer number (4986052).
Almost surely, 29972103 is an apocalyptic number.
9972103 is a deficient number, since it is larger than the sum of its proper divisors (1).
9972103 is an equidigital number, since it uses as much as digits as its factorization.
9972103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 9972103 is about 3157.8636766016.
The cubic root of 9972103 is about 215.2429415351.
The spelling of 9972103 in words is "nine million, nine hundred seventy-two thousand, one hundred three".