162126203 has 2 divisors, whose sum is σ = 162126204. Its totient is φ = 162126202.

The previous prime is 162126191. The next prime is 162126257. The reversal of 162126203 is 302621261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162126203 - 2⁸ = 162125947 is a prime.

It is not a weakly prime, because it can be changed into another prime (162129203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81063101 + 81063102.

It is an arithmetic number, because the mean of its divisors is an integer number (81063102).

Almost surely, 2^162126203 is an apocalyptic number.

162126203 is a deficient number, since it is larger than the sum of its proper divisors (1).

162126203 is an equidigital number, since it uses as much as digits as its factorization.

162126203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 162126203 is about 12732.8788182406. The cubic root of 162126203 is about 545.2777004084.

Adding to 162126203 its reverse (302621261), we get a palindrome (464747464).

The spelling of 162126203 in words is "one hundred sixty-two million, one hundred twenty-six thousand, two hundred three".