122552194 has 4 divisors (see below), whose sum is σ = 183828294. Its totient is φ = 61276096.

The previous prime is 122552141. The next prime is 122552197. The reversal of 122552194 is 491255221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491255221 = 563 ⋅872567.

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 35820225 = 9313^2 + 5985^2 .

It is not an unprimeable number, because it can be changed into a prime (122552197) 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, 30638047 + ... + 30638050.

Almost surely, 2^122552194 is an apocalyptic number.

122552194 is a deficient number, since it is larger than the sum of its proper divisors (61276100).

122552194 is an equidigital number, since it uses as much as digits as its factorization.

122552194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61276099.

The product of its digits is 7200, while the sum is 31.

The square root of 122552194 is about 11070.3294440590. The cubic root of 122552194 is about 496.7147198125.

The spelling of 122552194 in words is "one hundred twenty-two million, five hundred fifty-two thousand, one hundred ninety-four".