120804247 has 2 divisors, whose sum is σ = 120804248. Its totient is φ = 120804246.

The previous prime is 120804221. The next prime is 120804251. The reversal of 120804247 is 742408021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120804247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120804647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60402123 + 60402124.

It is an arithmetic number, because the mean of its divisors is an integer number (60402124).

Almost surely, 2^120804247 is an apocalyptic number.

120804247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120804247 is an equidigital number, since it uses as much as digits as its factorization.

120804247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 120804247 is about 10991.0985347235. The cubic root of 120804247 is about 494.3418754414.

The spelling of 120804247 in words is "one hundred twenty million, eight hundred four thousand, two hundred forty-seven".