122135434 has 4 divisors (see below), whose sum is σ = 183203154. Its totient is φ = 61067716.

The previous prime is 122135383. The next prime is 122135441. The reversal of 122135434 is 434531221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434531221 = 4133 ⋅105137.

It can be written as a sum of positive squares in only one way, i.e., 122036209 + 99225 = 11047^2 + 315^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122135399 and 122135408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30533857 + ... + 30533860.

Almost surely, 2^122135434 is an apocalyptic number.

122135434 is a deficient number, since it is larger than the sum of its proper divisors (61067720).

122135434 is an equidigital number, since it uses as much as digits as its factorization.

122135434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61067719.

The product of its digits is 2880, while the sum is 25.

The square root of 122135434 is about 11051.4901257704. The cubic root of 122135434 is about 496.1510254851.

Adding to 122135434 its reverse (434531221), we get a palindrome (556666655).

The spelling of 122135434 in words is "one hundred twenty-two million, one hundred thirty-five thousand, four hundred thirty-four".