30204129 has 16 divisors (see below), whose sum is σ = 44236800. Its totient is φ = 18246096.

The previous prime is 30204107. The next prime is 30204133. The reversal of 30204129 is 92140203.

It is not a de Polignac number, because 30204129 - 2¹² = 30200033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30204829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10209 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (2764800).

Almost surely, 2^30204129 is an apocalyptic number.

It is an amenable number.

30204129 is a deficient number, since it is larger than the sum of its proper divisors (14032671).

30204129 is a wasteful number, since it uses less digits than its factorization.

30204129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30204129 is about 5495.8283270131. The cubic root of 30204129 is about 311.4264095685.

The spelling of 30204129 in words is "thirty million, two hundred four thousand, one hundred twenty-nine".