51013122 has 8 divisors (see below), whose sum is σ = 102026256. Its totient is φ = 17004372.

The previous prime is 51013099. The next prime is 51013129. The reversal of 51013122 is 22131015.

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

51013122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51013129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251088 + ... + 4251099.

It is an arithmetic number, because the mean of its divisors is an integer number (12753282).

Almost surely, 2^51013122 is an apocalyptic number.

51013122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51013122 is a wasteful number, since it uses less digits than its factorization.

51013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502192.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51013122 is about 7142.3470932180. The cubic root of 51013122 is about 370.8747794381.

Adding to 51013122 its reverse (22131015), we get a palindrome (73144137).

The spelling of 51013122 in words is "fifty-one million, thirteen thousand, one hundred twenty-two".