129022533 has 12 divisors (see below), whose sum is σ = 186603040. Its totient is φ = 85905576.

The previous prime is 129022519. The next prime is 129022541. The reversal of 129022533 is 335220921.

129022533 is a `hidden beast` number, since 129 + 0 + 2 + 2 + 533 = 666.

It is not a de Polignac number, because 129022533 - 2⁵ = 129022501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129022497 and 129022506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129020533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1303 + ... + 16116.

Almost surely, 2^129022533 is an apocalyptic number.

It is an amenable number.

129022533 is a deficient number, since it is larger than the sum of its proper divisors (57580507).

129022533 is a wasteful number, since it uses less digits than its factorization.

129022533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18248 (or 18245 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 129022533 is about 11358.8086083004. The cubic root of 129022533 is about 505.3068526888.

The spelling of 129022533 in words is "one hundred twenty-nine million, twenty-two thousand, five hundred thirty-three".