122157240103 has 2 divisors, whose sum is σ = 122157240104. Its totient is φ = 122157240102.

The previous prime is 122157240097. The next prime is 122157240133. The reversal of 122157240103 is 301042751221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122157240103 - 2¹⁷ = 122157109031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122157240133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61078620051 + 61078620052.

It is an arithmetic number, because the mean of its divisors is an integer number (61078620052).

Almost surely, 2^122157240103 is an apocalyptic number.

122157240103 is a deficient number, since it is larger than the sum of its proper divisors (1).

122157240103 is an equidigital number, since it uses as much as digits as its factorization.

122157240103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 122157240103 its reverse (301042751221), we get a palindrome (423199991324).

The spelling of 122157240103 in words is "one hundred twenty-two billion, one hundred fifty-seven million, two hundred forty thousand, one hundred three".