30180129 has 12 divisors (see below), whose sum is σ = 46810224. Its totient is φ = 17245704.

The previous prime is 30180127. The next prime is 30180131. The reversal of 30180129 is 92108103.

It is an interprime number because it is at equal distance from previous prime (30180127) and next prime (30180131).

It is not a de Polignac number, because 30180129 - 2¹ = 30180127 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30180099 and 30180108.

It is not an unprimeable number, because it can be changed into a prime (30180127) 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, 102507 + ... + 102800.

It is an arithmetic number, because the mean of its divisors is an integer number (3900852).

Almost surely, 2^30180129 is an apocalyptic number.

It is an amenable number.

30180129 is a deficient number, since it is larger than the sum of its proper divisors (16630095).

30180129 is a wasteful number, since it uses less digits than its factorization.

30180129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205324 (or 205317 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 30180129 is about 5493.6444187807. The cubic root of 30180129 is about 311.3439019268.

The spelling of 30180129 in words is "thirty million, one hundred eighty thousand, one hundred twenty-nine".