4119145 has 4 divisors (see below), whose sum is σ = 4942980. Its totient is φ = 3295312.

The previous prime is 4119133. The next prime is 4119149. The reversal of 4119145 is 5419114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 2729104 = 1179^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 4119145 - 2⁵ = 4119113 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4119149) 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, 411910 + ... + 411919.

It is an arithmetic number, because the mean of its divisors is an integer number (1235745).

Almost surely, 2^4119145 is an apocalyptic number.

It is an amenable number.

4119145 is a deficient number, since it is larger than the sum of its proper divisors (823835).

4119145 is an equidigital number, since it uses as much as digits as its factorization.

4119145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823834.

The product of its digits is 720, while the sum is 25.

The square root of 4119145 is about 2029.5676879572. The cubic root of 4119145 is about 160.3008013241.

The spelling of 4119145 in words is "four million, one hundred nineteen thousand, one hundred forty-five".