4121906 has 8 divisors (see below), whose sum is σ = 6227760. Its totient is φ = 2045988.

The previous prime is 4121903. The next prime is 4121927. The reversal of 4121906 is 6091214.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4121903) 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, 7136 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (778470).

Almost surely, 2^4121906 is an apocalyptic number.

4121906 is a deficient number, since it is larger than the sum of its proper divisors (2105854).

4121906 is a wasteful number, since it uses less digits than its factorization.

4121906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14968.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4121906 is about 2030.2477681308. The cubic root of 4121906 is about 160.3366090514.

The spelling of 4121906 in words is "four million, one hundred twenty-one thousand, nine hundred six".