5266642121 has 32 divisors (see below), whose sum is σ = 5949296640. Its totient is φ = 4628848896.

The previous prime is 5266642099. The next prime is 5266642141. The reversal of 5266642121 is 1212466625.

It is a cyclic number.

It is not a de Polignac number, because 5266642121 - 2⁶ = 5266642057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5266642141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15177470 + ... + 15177816.

It is an arithmetic number, because the mean of its divisors is an integer number (185915520).

Almost surely, 2^5266642121 is an apocalyptic number.

It is an amenable number.

5266642121 is a deficient number, since it is larger than the sum of its proper divisors (682654519).

5266642121 is a wasteful number, since it uses less digits than its factorization.

5266642121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its digits is 34560, while the sum is 35.

The square root of 5266642121 is about 72571.6344104224. The cubic root of 5266642121 is about 1739.8478442940.

The spelling of 5266642121 in words is "five billion, two hundred sixty-six million, six hundred forty-two thousand, one hundred twenty-one".