121061329 has 2 divisors, whose sum is σ = 121061330. Its totient is φ = 121061328.

The previous prime is 121061323. The next prime is 121061371. The reversal of 121061329 is 923160121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 55532304 = 8095^2 + 7452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121061329 is a prime.

It is not a weakly prime, because it can be changed into another prime (121061323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60530664 + 60530665.

It is an arithmetic number, because the mean of its divisors is an integer number (60530665).

Almost surely, 2^121061329 is an apocalyptic number.

It is an amenable number.

121061329 is a deficient number, since it is larger than the sum of its proper divisors (1).

121061329 is an equidigital number, since it uses as much as digits as its factorization.

121061329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 121061329 is about 11002.7873286727. The cubic root of 121061329 is about 494.6922945623.

The spelling of 121061329 in words is "one hundred twenty-one million, sixty-one thousand, three hundred twenty-nine".