4120247 has 4 divisors (see below), whose sum is σ = 4133976. Its totient is φ = 4106520.

The previous prime is 4120231. The next prime is 4120253. The reversal of 4120247 is 7420214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4120247 - 2⁴ = 4120231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120547) 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 in 3 ways as a sum of consecutive naturals, for example, 6404 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (1033494).

Almost surely, 2^4120247 is an apocalyptic number.

4120247 is a deficient number, since it is larger than the sum of its proper divisors (13729).

4120247 is a wasteful number, since it uses less digits than its factorization.

4120247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4120247 is about 2029.8391561895. The cubic root of 4120247 is about 160.3150952073.

The spelling of 4120247 in words is "four million, one hundred twenty thousand, two hundred forty-seven".