51251126 has 8 divisors (see below), whose sum is σ = 77267520. Its totient is φ = 25495288.

The previous prime is 51251119. The next prime is 51251129. The reversal of 51251126 is 62115215.

It is a happy number.

51251126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51251129) 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 3 ways as a sum of consecutive naturals, for example, 64646 + ... + 65433.

It is an arithmetic number, because the mean of its divisors is an integer number (9658440).

Almost surely, 2^51251126 is an apocalyptic number.

51251126 is a deficient number, since it is larger than the sum of its proper divisors (26016394).

51251126 is a wasteful number, since it uses less digits than its factorization.

51251126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130278.

The product of its digits is 600, while the sum is 23.

The square root of 51251126 is about 7158.9891744575. The cubic root of 51251126 is about 371.4506623801.

The spelling of 51251126 in words is "fifty-one million, two hundred fifty-one thousand, one hundred twenty-six".