4122549 has 16 divisors (see below), whose sum is σ = 6148800. Its totient is φ = 2729808.

The previous prime is 4122493. The next prime is 4122557. The reversal of 4122549 is 9452214.

It is not a de Polignac number, because 4122549 - 2⁷ = 4122421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (384300).

Almost surely, 2^4122549 is an apocalyptic number.

It is an amenable number.

4122549 is a deficient number, since it is larger than the sum of its proper divisors (2026251).

4122549 is a wasteful number, since it uses less digits than its factorization.

4122549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1035 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4122549 is about 2030.4061170121. The cubic root of 4122549 is about 160.3449458968.

The spelling of 4122549 in words is "four million, one hundred twenty-two thousand, five hundred forty-nine".