4122147 has 8 divisors (see below), whose sum is σ = 5685840. Its totient is φ = 2653280.

The previous prime is 4122121. The next prime is 4122169. The reversal of 4122147 is 7412214.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4122147 - 2⁸ = 4121891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4122187) 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, 23604 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (710730).

Almost surely, 2^4122147 is an apocalyptic number.

4122147 is a deficient number, since it is larger than the sum of its proper divisors (1563693).

4122147 is a wasteful number, since it uses less digits than its factorization.

4122147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47413.

The product of its digits is 448, while the sum is 21.

The square root of 4122147 is about 2030.3071196250. The cubic root of 4122147 is about 160.3397338493.

The spelling of 4122147 in words is "four million, one hundred twenty-two thousand, one hundred forty-seven".