30128014 has 8 divisors (see below), whose sum is σ = 51648048. Its totient is φ = 12912000.

The previous prime is 30128011. The next prime is 30128039. The reversal of 30128014 is 41082103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30127982 and 30128000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30128011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075987 + ... + 1076014.

It is an arithmetic number, because the mean of its divisors is an integer number (6456006).

Almost surely, 2^30128014 is an apocalyptic number.

30128014 is a deficient number, since it is larger than the sum of its proper divisors (21520034).

30128014 is a wasteful number, since it uses less digits than its factorization.

30128014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152010.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 30128014 is about 5488.8991610340. The cubic root of 30128014 is about 311.1645892857.

It can be divided in two parts, 3012 and 8014, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 30128014 in words is "thirty million, one hundred twenty-eight thousand, fourteen".