129530119 has 2 divisors, whose sum is σ = 129530120. Its totient is φ = 129530118.

The previous prime is 129530053. The next prime is 129530129. The reversal of 129530119 is 911035921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129530119 - 2¹⁵ = 129497351 is a prime.

It is a super-2 number, since 2×129530119² = 33556103456308322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129530129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64765059 + 64765060.

It is an arithmetic number, because the mean of its divisors is an integer number (64765060).

Almost surely, 2^129530119 is an apocalyptic number.

129530119 is a deficient number, since it is larger than the sum of its proper divisors (1).

129530119 is an equidigital number, since it uses as much as digits as its factorization.

129530119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 129530119 is about 11381.1299526892. The cubic root of 129530119 is about 505.9686261643.

The spelling of 129530119 in words is "one hundred twenty-nine million, five hundred thirty thousand, one hundred nineteen".