120006819 has 8 divisors (see below), whose sum is σ = 177787920. Its totient is φ = 80004528.

The previous prime is 120006811. The next prime is 120006823. The reversal of 120006819 is 918600021.

It is not a de Polignac number, because 120006819 - 2³ = 120006811 is a prime.

It is a super-2 number, since 2×120006819² = 28803273212997522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4444697 = 120006819 / (1 + 2 + 0 + 0 + 0 + 6 + 8 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 120006792 and 120006801.

It is not an unprimeable number, because it can be changed into a prime (120006811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222322 + ... + 2222375.

It is an arithmetic number, because the mean of its divisors is an integer number (22223490).

Almost surely, 2^120006819 is an apocalyptic number.

120006819 is a deficient number, since it is larger than the sum of its proper divisors (57781101).

120006819 is an equidigital number, since it uses as much as digits as its factorization.

120006819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444706 (or 4444700 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 120006819 is about 10954.7623890251. The cubic root of 120006819 is about 493.2517575225.

The spelling of 120006819 in words is "one hundred twenty million, six thousand, eight hundred nineteen".