4122019 has 4 divisors (see below), whose sum is σ = 4496760. Its totient is φ = 3747280.

The previous prime is 4121987. The next prime is 4122043. The reversal of 4122019 is 9102214.

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 4122019 - 2⁵ = 4121987 is a prime.

It is a super-2 number, since 2×4122019² = 33982081272722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4121987 and 4122005.

It is not an unprimeable number, because it can be changed into a prime (4122119) 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, 187354 + ... + 187375.

It is an arithmetic number, because the mean of its divisors is an integer number (1124190).

Almost surely, 2^4122019 is an apocalyptic number.

4122019 is a deficient number, since it is larger than the sum of its proper divisors (374741).

4122019 is a wasteful number, since it uses less digits than its factorization.

4122019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374740.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4122019 is about 2030.2755970557. The cubic root of 4122019 is about 160.3380742208.

The spelling of 4122019 in words is "four million, one hundred twenty-two thousand, nineteen".