12115061 has 4 divisors (see below), whose sum is σ = 13845792. Its totient is φ = 10384332.

The previous prime is 12115039. The next prime is 12115091. The reversal of 12115061 is 16051121.

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: 16051121 = 83 ⋅193387.

It is not a de Polignac number, because 12115061 - 2¹⁸ = 11852917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115031) 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, 865355 + ... + 865368.

It is an arithmetic number, because the mean of its divisors is an integer number (3461448).

Almost surely, 2^12115061 is an apocalyptic number.

It is an amenable number.

12115061 is a deficient number, since it is larger than the sum of its proper divisors (1730731).

12115061 is an equidigital number, since it uses as much as digits as its factorization.

12115061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730730.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 12115061 is about 3480.6696194842. The cubic root of 12115061 is about 229.6722553104.

Adding to 12115061 its reverse (16051121), we get a palindrome (28166182).

The spelling of 12115061 in words is "twelve million, one hundred fifteen thousand, sixty-one".