120919 has 2 divisors, whose sum is σ = 120920. Its totient is φ = 120918.

The previous prime is 120917. The next prime is 120929. The reversal of 120919 is 919021.

It is a weak prime.

It is an emirp because it is prime and its reverse (919021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120919 - 2¹ = 120917 is a prime.

It is a super-2 number, since 2×120919² = 29242809122, which contains 22 as substring.

Together with 120917, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60459 + 60460.

It is an arithmetic number, because the mean of its divisors is an integer number (60460).

2¹²⁰⁹¹⁹ is an apocalyptic number.

120919 is a deficient number, since it is larger than the sum of its proper divisors (1).

120919 is an equidigital number, since it uses as much as digits as its factorization.

120919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 120919 is about 347.7340938131. The cubic root of 120919 is about 49.4498352448.

It can be divided in two parts, 12091 and 9, that added together give a square (12100 = 110²).

The spelling of 120919 in words is "one hundred twenty thousand, nine hundred nineteen".