129267104 has 12 divisors (see below), whose sum is σ = 254494674. Its totient is φ = 64633536.

The previous prime is 129267101. The next prime is 129267109. The reversal of 129267104 is 401762921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128777104 + 490000 = 11348^2 + 700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4039597 = 129267104 / (1 + 2 + 9 + 2 + 6 + 7 + 1 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (129267101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019767 + ... + 2019830.

Almost surely, 2^129267104 is an apocalyptic number.

It is an amenable number.

129267104 is a deficient number, since it is larger than the sum of its proper divisors (125227570).

129267104 is an equidigital number, since it uses as much as digits as its factorization.

129267104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039607 (or 4039599 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 129267104 is about 11369.5692090774. The cubic root of 129267104 is about 505.6259323477.

The spelling of 129267104 in words is "one hundred twenty-nine million, two hundred sixty-seven thousand, one hundred four".