122751193 has 2 divisors, whose sum is σ = 122751194. Its totient is φ = 122751192.

The previous prime is 122751173. The next prime is 122751199. The reversal of 122751193 is 391157221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108097609 + 14653584 = 10397^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 122751193 - 2²¹ = 120654041 is a prime.

It is not a weakly prime, because it can be changed into another prime (122751199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61375596 + 61375597.

It is an arithmetic number, because the mean of its divisors is an integer number (61375597).

Almost surely, 2^122751193 is an apocalyptic number.

It is an amenable number.

122751193 is a deficient number, since it is larger than the sum of its proper divisors (1).

122751193 is an equidigital number, since it uses as much as digits as its factorization.

122751193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 122751193 is about 11079.3137422857. The cubic root of 122751193 is about 496.9834278515.

The spelling of 122751193 in words is "one hundred twenty-two million, seven hundred fifty-one thousand, one hundred ninety-three".