30124038 has 32 divisors (see below), whose sum is σ = 69166080. Its totient is φ = 8568000.

The previous prime is 30124021. The next prime is 30124067. The reversal of 30124038 is 83042103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8538 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (2161440).

Almost surely, 2^30124038 is an apocalyptic number.

30124038 is an abundant number, since it is smaller than the sum of its proper divisors (39042042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30124038 is a wasteful number, since it uses less digits than its factorization.

30124038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30124038 is about 5488.5369635268. The cubic root of 30124038 is about 311.1509005326.

The spelling of 30124038 in words is "thirty million, one hundred twenty-four thousand, thirty-eight".