120153919 has 2 divisors, whose sum is σ = 120153920. Its totient is φ = 120153918.

The previous prime is 120153899. The next prime is 120153937. The reversal of 120153919 is 919351021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (919351021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120153919 - 2⁷ = 120153791 is a prime.

It is a super-2 number, since 2×120153919² = 28873928502117122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120153619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60076959 + 60076960.

It is an arithmetic number, because the mean of its divisors is an integer number (60076960).

Almost surely, 2^120153919 is an apocalyptic number.

120153919 is a deficient number, since it is larger than the sum of its proper divisors (1).

120153919 is an equidigital number, since it uses as much as digits as its factorization.

120153919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 120153919 is about 10961.4743077745. The cubic root of 120153919 is about 493.4532119295.

The spelling of 120153919 in words is "one hundred twenty million, one hundred fifty-three thousand, nine hundred nineteen".