118961329 has 2 divisors, whose sum is σ = 118961330. Its totient is φ = 118961328.

The previous prime is 118961317. The next prime is 118961341. The reversal of 118961329 is 923169811.

It is a balanced prime because it is at equal distance from previous prime (118961317) and next prime (118961341).

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 26801329 = 9600^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 118961329 - 2¹⁹ = 118437041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118961291 and 118961300.

It is not a weakly prime, because it can be changed into another prime (118961429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59480664 + 59480665.

It is an arithmetic number, because the mean of its divisors is an integer number (59480665).

Almost surely, 2^118961329 is an apocalyptic number.

It is an amenable number.

118961329 is a deficient number, since it is larger than the sum of its proper divisors (1).

118961329 is an equidigital number, since it uses as much as digits as its factorization.

118961329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 118961329 is about 10906.9394882341. The cubic root of 118961329 is about 491.8151874332.

It can be divided in two parts, 11896 and 1329, that added together give a square (13225 = 115²).

The spelling of 118961329 in words is "one hundred eighteen million, nine hundred sixty-one thousand, three hundred twenty-nine".