30507126 has 16 divisors (see below), whose sum is σ = 65707824. Its totient is φ = 9386784.

The previous prime is 30507121. The next prime is 30507143. The reversal of 30507126 is 62170503.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30507096 and 30507105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30507121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195481 + ... + 195636.

It is an arithmetic number, because the mean of its divisors is an integer number (4106739).

Almost surely, 2^30507126 is an apocalyptic number.

30507126 is an abundant number, since it is smaller than the sum of its proper divisors (35200698).

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

30507126 is a wasteful number, since it uses less digits than its factorization.

30507126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391135.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 30507126 is about 5523.3256286408. The cubic root of 30507126 is about 312.4643193395.

Adding to 30507126 its reverse (62170503), we get a palindrome (92677629).

The spelling of 30507126 in words is "thirty million, five hundred seven thousand, one hundred twenty-six".