30042135 has 48 divisors (see below), whose sum is σ = 56216160. Its totient is φ = 14791680.

The previous prime is 30042127. The next prime is 30042143. The reversal of 30042135 is 53124003.

It is an interprime number because it is at equal distance from previous prime (30042127) and next prime (30042143).

It is not a de Polignac number, because 30042135 - 2³ = 30042127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34627 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (1171170).

Almost surely, 2^30042135 is an apocalyptic number.

30042135 is a deficient number, since it is larger than the sum of its proper divisors (26174025).

30042135 is a wasteful number, since it uses less digits than its factorization.

30042135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30042135 is about 5481.0706070986. The cubic root of 30042135 is about 310.8686528126.

Adding to 30042135 its reverse (53124003), we get a palindrome (83166138).

The spelling of 30042135 in words is "thirty million, forty-two thousand, one hundred thirty-five".