122181203 has 2 divisors, whose sum is σ = 122181204. Its totient is φ = 122181202.

The previous prime is 122181179. The next prime is 122181233. The reversal of 122181203 is 302181221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122181203 - 2¹⁸ = 121919059 is a prime.

It is not a weakly prime, because it can be changed into another prime (122181233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61090601 + 61090602.

It is an arithmetic number, because the mean of its divisors is an integer number (61090602).

Almost surely, 2^122181203 is an apocalyptic number.

122181203 is a deficient number, since it is larger than the sum of its proper divisors (1).

122181203 is an equidigital number, since it uses as much as digits as its factorization.

122181203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 122181203 is about 11053.5606480446. The cubic root of 122181203 is about 496.2129935795.

The spelling of 122181203 in words is "one hundred twenty-two million, one hundred eighty-one thousand, two hundred three".