605136122 has 4 divisors (see below), whose sum is σ = 907704186. Its totient is φ = 302568060.

The previous prime is 605136109. The next prime is 605136143. The reversal of 605136122 is 221631506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 457489321 + 147646801 = 21389^2 + 12151^2 .

It is a super-2 number, since 2×605136122² = 732379452298397768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 605136091 and 605136100.

It is an unprimeable number.

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, 151284029 + ... + 151284032.

Almost surely, 2^605136122 is an apocalyptic number.

605136122 is a deficient number, since it is larger than the sum of its proper divisors (302568064).

605136122 is a wasteful number, since it uses less digits than its factorization.

605136122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302568063.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 605136122 is about 24599.5146700092. The cubic root of 605136122 is about 845.8324823361.

Adding to 605136122 its reverse (221631506), we get a palindrome (826767628).

The spelling of 605136122 in words is "six hundred five million, one hundred thirty-six thousand, one hundred twenty-two".