11968129 has 2 divisors, whose sum is σ = 11968130. Its totient is φ = 11968128.

The previous prime is 11968069. The next prime is 11968133. The reversal of 11968129 is 92186911.

11968129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 1567504 = 3225^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11968129 - 2⁷ = 11968001 is a prime.

It is a super-2 number, since 2×11968129² = 286472223521282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11968189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984064 + 5984065.

It is an arithmetic number, because the mean of its divisors is an integer number (5984065).

Almost surely, 2^11968129 is an apocalyptic number.

It is an amenable number.

11968129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11968129 is an equidigital number, since it uses as much as digits as its factorization.

11968129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 37.

The square root of 11968129 is about 3459.4983740421. The cubic root of 11968129 is about 228.7399844321.

The spelling of 11968129 in words is "eleven million, nine hundred sixty-eight thousand, one hundred twenty-nine".