120000049 has 4 divisors (see below), whose sum is σ = 129230836. Its totient is φ = 110769264.

The previous prime is 120000043. The next prime is 120000053. The reversal of 120000049 is 940000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940000021 = 12281 ⋅76541.

It can be written as a sum of positive squares in 2 ways, for example, as 76440049 + 43560000 = 8743^2 + 6600^2 .

It is a cyclic number.

It is not a de Polignac number, because 120000049 - 2⁷ = 119999921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119999987 and 120000041.

It is not an unprimeable number, because it can be changed into a prime (120000043) 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 3 ways as a sum of consecutive naturals, for example, 4615374 + ... + 4615399.

It is an arithmetic number, because the mean of its divisors is an integer number (32307709).

Almost surely, 2^120000049 is an apocalyptic number.

It is an amenable number.

120000049 is a deficient number, since it is larger than the sum of its proper divisors (9230787).

120000049 is an equidigital number, since it uses as much as digits as its factorization.

120000049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230786.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 120000049 is about 10954.4533866369. The cubic root of 120000049 is about 493.2424820019.

The spelling of 120000049 in words is "one hundred twenty million, forty-nine", and thus it is an aban number.