4121142 has 24 divisors (see below), whose sum is σ = 8442216. Its totient is φ = 1340928.

The previous prime is 4121141. The next prime is 4121147. The reversal of 4121142 is 2411214.

It is a super-2 number, since 2×4121142² = 33967622768328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42438 + ... + 42534.

It is an arithmetic number, because the mean of its divisors is an integer number (351759).

Almost surely, 2^4121142 is an apocalyptic number.

4121142 is an abundant number, since it is smaller than the sum of its proper divisors (4321074).

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

4121142 is an equidigital number, since it uses as much as digits as its factorization.

4121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 175 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 4121142 is about 2030.0596050363. The cubic root of 4121142 is about 160.3267022479.

Adding to 4121142 its reverse (2411214), we get a palindrome (6532356).

The spelling of 4121142 in words is "four million, one hundred twenty-one thousand, one hundred forty-two".