4122545 has 8 divisors (see below), whose sum is σ = 5653824. Its totient is φ = 2826864.

The previous prime is 4122493. The next prime is 4122557. The reversal of 4122545 is 5452214.

It is a happy number.

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 4122545 - 2⁸ = 4122289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4122545.

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, 58859 + ... + 58928.

It is an arithmetic number, because the mean of its divisors is an integer number (706728).

Almost surely, 2^4122545 is an apocalyptic number.

It is an amenable number.

4122545 is a deficient number, since it is larger than the sum of its proper divisors (1531279).

4122545 is a wasteful number, since it uses less digits than its factorization.

4122545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117799.

The product of its digits is 1600, while the sum is 23.

The square root of 4122545 is about 2030.4051319872. The cubic root of 4122545 is about 160.3448940373.

Adding to 4122545 its reverse (5452214), we get a palindrome (9574759).

The spelling of 4122545 in words is "four million, one hundred twenty-two thousand, five hundred forty-five".