30042119 has 2 divisors, whose sum is σ = 30042120. Its totient is φ = 30042118.

The previous prime is 30042109. The next prime is 30042121. The reversal of 30042119 is 91124003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30042119 - 2⁸ = 30041863 is a prime.

It is a super-2 number, since 2×30042119² = 1805057828020322, which contains 22 as substring.

Together with 30042121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30042119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30042109) 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 as a sum of consecutive naturals, namely, 15021059 + 15021060.

It is an arithmetic number, because the mean of its divisors is an integer number (15021060).

Almost surely, 2^30042119 is an apocalyptic number.

30042119 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042119 is an equidigital number, since it uses as much as digits as its factorization.

30042119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30042119 is about 5481.0691475295. The cubic root of 30042119 is about 310.8685976246.

The spelling of 30042119 in words is "thirty million, forty-two thousand, one hundred nineteen".