4120251 has 4 divisors (see below), whose sum is σ = 5493672. Its totient is φ = 2746832.

The previous prime is 4120231. The next prime is 4120253. The reversal of 4120251 is 1520214.

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

It is a cyclic number.

It is not a de Polignac number, because 4120251 - 2⁵ = 4120219 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4120251.

It is not an unprimeable number, because it can be changed into a prime (4120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686706 + ... + 686711.

It is an arithmetic number, because the mean of its divisors is an integer number (1373418).

Almost surely, 2^4120251 is an apocalyptic number.

4120251 is a deficient number, since it is larger than the sum of its proper divisors (1373421).

4120251 is a wasteful number, since it uses less digits than its factorization.

4120251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373420.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4120251 is about 2029.8401414890. The cubic root of 4120251 is about 160.3151470861.

Adding to 4120251 its reverse (1520214), we get a palindrome (5640465).

It can be divided in two parts, 4120 and 251, that added together give a triangular number (4371 = T₉₃).

The spelling of 4120251 in words is "four million, one hundred twenty thousand, two hundred fifty-one".