30242125 has 32 divisors (see below), whose sum is σ = 40225536. Its totient is φ = 22651200.

The previous prime is 30242123. The next prime is 30242131. The reversal of 30242125 is 52124203.

It is not a de Polignac number, because 30242125 - 2¹ = 30242123 is a prime.

It is a super-2 number, since 2×30242125² = 1829172249031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192547 + ... + 192703.

It is an arithmetic number, because the mean of its divisors is an integer number (1257048).

Almost surely, 2^30242125 is an apocalyptic number.

It is an amenable number.

30242125 is a deficient number, since it is larger than the sum of its proper divisors (9983411).

30242125 is a wasteful number, since it uses less digits than its factorization.

30242125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30242125 is about 5499.2840443098. The cubic root of 30242125 is about 311.5569435922.

Adding to 30242125 its reverse (52124203), we get a palindrome (82366328).

The spelling of 30242125 in words is "thirty million, two hundred forty-two thousand, one hundred twenty-five".