30126841 has 8 divisors (see below), whose sum is σ = 30951144. Its totient is φ = 29306880.

The previous prime is 30126827. The next prime is 30126847. The reversal of 30126841 is 14862103.

It can be written as a sum of positive squares in 4 ways, for example, as 1010025 + 29116816 = 1005^2 + 5396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30126841 - 2⁷ = 30126713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30126847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16905 + ... + 18601.

It is an arithmetic number, because the mean of its divisors is an integer number (3868893).

Almost surely, 2^30126841 is an apocalyptic number.

It is an amenable number.

30126841 is a deficient number, since it is larger than the sum of its proper divisors (824303).

30126841 is a wasteful number, since it uses less digits than its factorization.

30126841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30126841 is about 5488.7923079672. The cubic root of 30126841 is about 311.1605509534.

Adding to 30126841 its reverse (14862103), we get a palindrome (44988944).

The spelling of 30126841 in words is "thirty million, one hundred twenty-six thousand, eight hundred forty-one".