129030226 has 16 divisors (see below), whose sum is σ = 211075200. Its totient is φ = 58797648.

The previous prime is 129030203. The next prime is 129030257. The reversal of 129030226 is 622030921.

It is a happy number.

It is a super-2 number, since 2×129030226² = 33297598443222152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129030226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29356 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (13192200).

Almost surely, 2^129030226 is an apocalyptic number.

129030226 is a deficient number, since it is larger than the sum of its proper divisors (82044974).

129030226 is a wasteful number, since it uses less digits than its factorization.

129030226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62913.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 129030226 is about 11359.1472391197. The cubic root of 129030226 is about 505.3168955040.

The spelling of 129030226 in words is "one hundred twenty-nine million, thirty thousand, two hundred twenty-six".