42012119 has 2 divisors, whose sum is σ = 42012120. Its totient is φ = 42012118.

The previous prime is 42012107. The next prime is 42012127. The reversal of 42012119 is 91121024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42012119 - 2⁸ = 42011863 is a prime.

It is a super-2 number, since 2×42012119² = 3530036285740322, which contains 22 as substring.

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 42012119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42012319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006059 + 21006060.

It is an arithmetic number, because the mean of its divisors is an integer number (21006060).

Almost surely, 2^42012119 is an apocalyptic number.

42012119 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012119 is an equidigital number, since it uses as much as digits as its factorization.

42012119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 42012119 is about 6481.6756321186. The cubic root of 42012119 is about 347.6360945805.

The spelling of 42012119 in words is "forty-two million, twelve thousand, one hundred nineteen".