4151242 has 4 divisors (see below), whose sum is σ = 6226866. Its totient is φ = 2075620.

The previous prime is 4151239. The next prime is 4151261. The reversal of 4151242 is 2421514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 1874161 = 1509^2 + 1369^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037809 + ... + 1037812.

Almost surely, 2^4151242 is an apocalyptic number.

4151242 is a deficient number, since it is larger than the sum of its proper divisors (2075624).

4151242 is a wasteful number, since it uses less digits than its factorization.

4151242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075623.

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

The square root of 4151242 is about 2037.4596928528. The cubic root of 4151242 is about 160.7160872132.

Adding to 4151242 its reverse (2421514), we get a palindrome (6572756).

The spelling of 4151242 in words is "four million, one hundred fifty-one thousand, two hundred forty-two".