120101819 has 2 divisors, whose sum is σ = 120101820. Its totient is φ = 120101818.

The previous prime is 120101803. The next prime is 120101857. The reversal of 120101819 is 918101021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120101819 - 2⁴ = 120101803 is a prime.

It is a super-2 number, since 2×120101819² = 28848893854217522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101794 and 120101803.

It is not a weakly prime, because it can be changed into another prime (120101879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050909 + 60050910.

It is an arithmetic number, because the mean of its divisors is an integer number (60050910).

Almost surely, 2^120101819 is an apocalyptic number.

120101819 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101819 is an equidigital number, since it uses as much as digits as its factorization.

120101819 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 23.

The square root of 120101819 is about 10959.0975449624. The cubic root of 120101819 is about 493.3818794549.

The spelling of 120101819 in words is "one hundred twenty million, one hundred one thousand, eight hundred nineteen".