3869061121 has 4 divisors (see below), whose sum is σ = 3881502144. Its totient is φ = 3856620100.

The previous prime is 3869061083. The next prime is 3869061137. The reversal of 3869061121 is 1211609683.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1211609683 = 12323 ⋅98321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3869061121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3869061221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6220045 + ... + 6220666.

It is an arithmetic number, because the mean of its divisors is an integer number (970375536).

Almost surely, 2^3869061121 is an apocalyptic number.

It is an amenable number.

3869061121 is a deficient number, since it is larger than the sum of its proper divisors (12441023).

3869061121 is a wasteful number, since it uses less digits than its factorization.

3869061121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441022.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 3869061121 is about 62201.7774746028. Note that the first 3 decimals coincide. The cubic root of 3869061121 is about 1569.8874952852.

The spelling of 3869061121 in words is "three billion, eight hundred sixty-nine million, sixty-one thousand, one hundred twenty-one".