190120459 has 2 divisors, whose sum is σ = 190120460. Its totient is φ = 190120458.

The previous prime is 190120457. The next prime is 190120493. The reversal of 190120459 is 954021091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190120459 - 2¹ = 190120457 is a prime.

It is a super-2 number, since 2×190120459² = 72291577860741362, which contains 22 as substring.

Together with 190120457, it forms a pair of twin primes.

It is equal to p_10561819 and since 190120459 and 10561819 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190120459.

It is not a weakly prime, because it can be changed into another prime (190120451) 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, 95060229 + 95060230.

It is an arithmetic number, because the mean of its divisors is an integer number (95060230).

Almost surely, 2^190120459 is an apocalyptic number.

190120459 is a deficient number, since it is larger than the sum of its proper divisors (1).

190120459 is an equidigital number, since it uses as much as digits as its factorization.

190120459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 190120459 is about 13788.4175669291. The cubic root of 190120459 is about 575.0111745780.

The spelling of 190120459 in words is "one hundred ninety million, one hundred twenty thousand, four hundred fifty-nine".