4120099 has 4 divisors (see below), whose sum is σ = 4149880. Its totient is φ = 4090320.

The previous prime is 4120097. The next prime is 4120111. The reversal of 4120099 is 9900214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9900214 = 2 ⋅4950107.

It is a cyclic number.

It is not a de Polignac number, because 4120099 - 2¹ = 4120097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14682 + ... + 14959.

It is an arithmetic number, because the mean of its divisors is an integer number (1037470).

Almost surely, 2^4120099 is an apocalyptic number.

4120099 is a deficient number, since it is larger than the sum of its proper divisors (29781).

4120099 is a wasteful number, since it uses less digits than its factorization.

4120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29780.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 4120099 is about 2029.8026997716. The cubic root of 4120099 is about 160.3131756688.

The spelling of 4120099 in words is "four million, one hundred twenty thousand, ninety-nine".