4121245 has 8 divisors (see below), whose sum is σ = 5079384. Its totient is φ = 3207744.

The previous prime is 4121231. The next prime is 4121261. The reversal of 4121245 is 5421214.

It can be written as a sum of positive squares in 4 ways, for example, as 1844164 + 2277081 = 1358^2 + 1509^2 .

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 4121245 - 2⁵ = 4121213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10954 + ... + 11323.

It is an arithmetic number, because the mean of its divisors is an integer number (634923).

Almost surely, 2^4121245 is an apocalyptic number.

It is an amenable number.

4121245 is a deficient number, since it is larger than the sum of its proper divisors (958139).

4121245 is a wasteful number, since it uses less digits than its factorization.

4121245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319.

The product of its digits is 320, while the sum is 19.

The square root of 4121245 is about 2030.0849735910. The cubic root of 4121245 is about 160.3280379224.

Adding to 4121245 its reverse (5421214), we get a palindrome (9542459).

The spelling of 4121245 in words is "four million, one hundred twenty-one thousand, two hundred forty-five".