8264550121 has 4 divisors (see below), whose sum is σ = 8531148544. Its totient is φ = 7997951700.

The previous prime is 8264550101. The next prime is 8264550157. The reversal of 8264550121 is 1210554628.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8264550121 - 2⁵ = 8264550089 is a prime.

It is a super-2 number, since 2×8264550121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8264550101) 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, 133299165 + ... + 133299226.

It is an arithmetic number, because the mean of its divisors is an integer number (2132787136).

Almost surely, 2^8264550121 is an apocalyptic number.

It is an amenable number.

8264550121 is a deficient number, since it is larger than the sum of its proper divisors (266598423).

8264550121 is a wasteful number, since it uses less digits than its factorization.

8264550121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266598422.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 8264550121 is about 90909.5711187771. The cubic root of 8264550121 is about 2021.8072021747.

The spelling of 8264550121 in words is "eight billion, two hundred sixty-four million, five hundred fifty thousand, one hundred twenty-one".