129024034 has 4 divisors (see below), whose sum is σ = 193536054. Its totient is φ = 64512016.

The previous prime is 129024031. The next prime is 129024047. The reversal of 129024034 is 430420921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123143409 + 5880625 = 11097^2 + 2425^2 .

It is not an unprimeable number, because it can be changed into a prime (129024031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32256007 + ... + 32256010.

Almost surely, 2^129024034 is an apocalyptic number.

129024034 is a deficient number, since it is larger than the sum of its proper divisors (64512020).

129024034 is an equidigital number, since it uses as much as digits as its factorization.

129024034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64512019.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 129024034 is about 11358.8746801785. The cubic root of 129024034 is about 505.3088121983.

Adding to 129024034 its reverse (430420921), we get a palindrome (559444955).

The spelling of 129024034 in words is "one hundred twenty-nine million, twenty-four thousand, thirty-four".