4123242 has 24 divisors (see below), whose sum is σ = 8971716. Its totient is φ = 1368576.

The previous prime is 4123211. The next prime is 4123253. The reversal of 4123242 is 2423214.

It can be written as a sum of positive squares in 2 ways, for example, as 3381921 + 741321 = 1839^2 + 861^2 .

It is a super-2 number, since 2×4123242² = 34002249181128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6858 + ... + 7434.

Almost surely, 2^4123242 is an apocalyptic number.

4123242 is an abundant number, since it is smaller than the sum of its proper divisors (4848474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123242 is a wasteful number, since it uses less digits than its factorization.

4123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 979 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4123242 is about 2030.5767653551. The cubic root of 4123242 is about 160.3539300489.

Adding to 4123242 its reverse (2423214), we get a palindrome (6546456).

The spelling of 4123242 in words is "four million, one hundred twenty-three thousand, two hundred forty-two".