4112121061 has 2 divisors, whose sum is σ = 4112121062. Its totient is φ = 4112121060.

The previous prime is 4112121049. The next prime is 4112121127. The reversal of 4112121061 is 1601212114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3802572225 + 309548836 = 61665^2 + 17594^2 .

It is a cyclic number.

It is not a de Polignac number, because 4112121061 - 2⁷ = 4112120933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4112121001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2056060530 + 2056060531.

It is an arithmetic number, because the mean of its divisors is an integer number (2056060531).

Almost surely, 2^4112121061 is an apocalyptic number.

It is an amenable number.

4112121061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4112121061 is an equidigital number, since it uses as much as digits as its factorization.

4112121061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 4112121061 is about 64125.8221077906. The cubic root of 4112121061 is about 1602.0963486114.

Adding to 4112121061 its reverse (1601212114), we get a palindrome (5713333175).

The spelling of 4112121061 in words is "four billion, one hundred twelve million, one hundred twenty-one thousand, sixty-one".