30126091 has 8 divisors (see below), whose sum is σ = 31990464. Its totient is φ = 28272000.

The previous prime is 30126071. The next prime is 30126137. The reversal of 30126091 is 19062103.

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 30126091 - 2⁵ = 30126059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30126071) 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, 3966 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (3998808).

Almost surely, 2^30126091 is an apocalyptic number.

30126091 is a deficient number, since it is larger than the sum of its proper divisors (1864373).

30126091 is a wasteful number, since it uses less digits than its factorization.

30126091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 30126091 is about 5488.7239865018. The cubic root of 30126091 is about 311.1579688445.

Adding to 30126091 its reverse (19062103), we get a palindrome (49188194).

The spelling of 30126091 in words is "thirty million, one hundred twenty-six thousand, ninety-one".