1204134129 has 12 divisors (see below), whose sum is σ = 1897423632. Its totient is φ = 729778200.

The previous prime is 1204134119. The next prime is 1204134131. The reversal of 1204134129 is 9214314021.

It is a happy number.

1204134129 is a `hidden beast` number, since 120 + 413 + 4 + 129 = 666.

It is not a de Polignac number, because 1204134129 - 2⁹ = 1204133617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204134119) 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, 6081387 + ... + 6081584.

It is an arithmetic number, because the mean of its divisors is an integer number (158118636).

Almost surely, 2^1204134129 is an apocalyptic number.

It is an amenable number.

1204134129 is a deficient number, since it is larger than the sum of its proper divisors (693289503).

1204134129 is a wasteful number, since it uses less digits than its factorization.

1204134129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162988 (or 12162985 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1204134129 is about 34700.6358587274. The cubic root of 1204134129 is about 1063.8774948113.

The spelling of 1204134129 in words is "one billion, two hundred four million, one hundred thirty-four thousand, one hundred twenty-nine".