30152124 has 36 divisors (see below), whose sum is σ = 77660856. Its totient is φ = 9860448.

The previous prime is 30152123. The next prime is 30152131. The reversal of 30152124 is 42125103.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30152124² = 1818301163422752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30152097 and 30152106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5994 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (2157246).

Almost surely, 2^30152124 is an apocalyptic number.

It is an amenable number.

30152124 is an abundant number, since it is smaller than the sum of its proper divisors (47508732).

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

30152124 is a wasteful number, since it uses less digits than its factorization.

30152124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15866 (or 15861 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30152124 is about 5491.0949727718. The cubic root of 30152124 is about 311.2475705041.

Adding to 30152124 its reverse (42125103), we get a palindrome (72277227).

It can be divided in two parts, 30152 and 124, that added together give a square (30276 = 174²).

The spelling of 30152124 in words is "thirty million, one hundred fifty-two thousand, one hundred twenty-four".