51214120 has 64 divisors (see below), whose sum is σ = 122976000. Its totient is φ = 19139328.

The previous prime is 51214109. The next prime is 51214127. The reversal of 51214120 is 2141215.

51214120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51214094 and 51214103.

It is not an unprimeable number, because it can be changed into a prime (51214127) 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 15 ways as a sum of consecutive naturals, for example, 59614 + ... + 60466.

It is an arithmetic number, because the mean of its divisors is an integer number (1921500).

Almost surely, 2^51214120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51214120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61488000).

51214120 is an abundant number, since it is smaller than the sum of its proper divisors (71761880).

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

51214120 is a wasteful number, since it uses less digits than its factorization.

51214120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51214120 is about 7156.4041249779. The cubic root of 51214120 is about 371.3612385695.

Adding to 51214120 its reverse (2141215), we get a palindrome (53355335).

The spelling of 51214120 in words is "fifty-one million, two hundred fourteen thousand, one hundred twenty".