616020122 has 4 divisors (see below), whose sum is σ = 924030186. Its totient is φ = 308010060.

The previous prime is 616020103. The next prime is 616020133. The reversal of 616020122 is 221020616.

It is a happy number.

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., 351600001 + 264420121 = 18751^2 + 16261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616020094 and 616020103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154005029 + ... + 154005032.

Almost surely, 2^616020122 is an apocalyptic number.

616020122 is a deficient number, since it is larger than the sum of its proper divisors (308010064).

616020122 is a wasteful number, since it uses less digits than its factorization.

616020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308010063.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 616020122 is about 24819.7526579134. The cubic root of 616020122 is about 850.8734375806.

Adding to 616020122 its reverse (221020616), we get a palindrome (837040738).

The spelling of 616020122 in words is "six hundred sixteen million, twenty thousand, one hundred twenty-two".