129590228 has 12 divisors (see below), whose sum is σ = 227586240. Its totient is φ = 64565592.

The previous prime is 129590221. The next prime is 129590231. The reversal of 129590228 is 822095921.

It is a junction number, because it is equal to n+sod(n) for n = 129590191 and 129590200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129590221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56108 + ... + 58371.

It is an arithmetic number, because the mean of its divisors is an integer number (18965520).

Almost surely, 2^129590228 is an apocalyptic number.

It is an amenable number.

129590228 is a deficient number, since it is larger than the sum of its proper divisors (97996012).

129590228 is a wasteful number, since it uses less digits than its factorization.

129590228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114766 (or 114764 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 129590228 is about 11383.7703771641. The cubic root of 129590228 is about 506.0468796885.

The spelling of 129590228 in words is "one hundred twenty-nine million, five hundred ninety thousand, two hundred twenty-eight".