6155122120 has 32 divisors (see below), whose sum is σ = 15827457600. Its totient is φ = 2110327488.

The previous prime is 6155122109. The next prime is 6155122121. The reversal of 6155122120 is 212215516.

It is a super-2 number, since 2×6155122120² = 75771056624226588800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6155122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991010 + ... + 10991569.

It is an arithmetic number, because the mean of its divisors is an integer number (494608050).

Almost surely, 2^6155122120 is an apocalyptic number.

It is an amenable number.

6155122120 is an abundant number, since it is smaller than the sum of its proper divisors (9672335480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6155122120 is a wasteful number, since it uses less digits than its factorization.

6155122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982597 (or 21982593 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 6155122120 is about 78454.5863541450. The cubic root of 6155122120 is about 1832.6472997553.

Adding to 6155122120 its reverse (212215516), we get a palindrome (6367337636).

The spelling of 6155122120 in words is "six billion, one hundred fifty-five million, one hundred twenty-two thousand, one hundred twenty".