30126054 has 32 divisors (see below), whose sum is σ = 69152256. Its totient is φ = 8570880.

The previous prime is 30126053. The next prime is 30126059. The reversal of 30126054 is 45062103.

It is a happy number.

It is a super-3 number, since 3×30126054³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30126054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30126053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (2161008).

Almost surely, 2^30126054 is an apocalyptic number.

30126054 is an abundant number, since it is smaller than the sum of its proper divisors (39026202).

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

30126054 is a wasteful number, since it uses less digits than its factorization.

30126054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30126054 is about 5488.7206159541. The cubic root of 30126054 is about 311.1578414594.

Adding to 30126054 its reverse (45062103), we get a palindrome (75188157).

The spelling of 30126054 in words is "thirty million, one hundred twenty-six thousand, fifty-four".