4122947 has 4 divisors (see below), whose sum is σ = 4234416. Its totient is φ = 4011480.

The previous prime is 4122941. The next prime is 4122953. The reversal of 4122947 is 7492214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7492214 = 2 ⋅3746107.

It is an interprime number because it is at equal distance from previous prime (4122941) and next prime (4122953).

It is a cyclic number.

It is not a de Polignac number, because 4122947 - 2⁸ = 4122691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4122941) 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, 55679 + ... + 55752.

It is an arithmetic number, because the mean of its divisors is an integer number (1058604).

Almost surely, 2^4122947 is an apocalyptic number.

4122947 is a deficient number, since it is larger than the sum of its proper divisors (111469).

4122947 is a wasteful number, since it uses less digits than its factorization.

4122947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111468.

The product of its digits is 4032, while the sum is 29.

The square root of 4122947 is about 2030.5041245957. The cubic root of 4122947 is about 160.3501057493.

The spelling of 4122947 in words is "four million, one hundred twenty-two thousand, nine hundred forty-seven".