129034563 has 32 divisors (see below), whose sum is σ = 200879616. Its totient is φ = 72154368.

The previous prime is 129034559. The next prime is 129034583. The reversal of 129034563 is 365430921.

It is not a de Polignac number, because 129034563 - 2² = 129034559 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129034523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412095 + ... + 412407.

It is an arithmetic number, because the mean of its divisors is an integer number (6277488).

Almost surely, 2^129034563 is an apocalyptic number.

129034563 is a deficient number, since it is larger than the sum of its proper divisors (71845053).

129034563 is a wasteful number, since it uses less digits than its factorization.

129034563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 129034563 is about 11359.3381409306. The cubic root of 129034563 is about 505.3225570581.

It can be divided in two parts, 1290 and 34563, that added together give a palindrome (35853).

The spelling of 129034563 in words is "one hundred twenty-nine million, thirty-four thousand, five hundred sixty-three".