6020557121 has 4 divisors (see below), whose sum is σ = 6075791700. Its totient is φ = 5965322544.

The previous prime is 6020557111. The next prime is 6020557129. The reversal of 6020557121 is 1217550206.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4311892225 + 1708664896 = 65665^2 + 41336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6020557121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6020557129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27617126 + ... + 27617343.

It is an arithmetic number, because the mean of its divisors is an integer number (1518947925).

Almost surely, 2^6020557121 is an apocalyptic number.

It is an amenable number.

6020557121 is a deficient number, since it is larger than the sum of its proper divisors (55234579).

6020557121 is a wasteful number, since it uses less digits than its factorization.

6020557121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55234578.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 6020557121 is about 77592.2491038892. The cubic root of 6020557121 is about 1819.1934921347.

The spelling of 6020557121 in words is "six billion, twenty million, five hundred fifty-seven thousand, one hundred twenty-one".