51410121 has 32 divisors (see below), whose sum is σ = 81543168. Its totient is φ = 28192320.

The previous prime is 51410113. The next prime is 51410137. The reversal of 51410121 is 12101415.

It is a happy number.

It is not a de Polignac number, because 51410121 - 2³ = 51410113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51410121.

It is not an unprimeable number, because it can be changed into a prime (51410171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101956 + ... + 102458.

It is an arithmetic number, because the mean of its divisors is an integer number (2548224).

Almost surely, 2^51410121 is an apocalyptic number.

It is an amenable number.

51410121 is a deficient number, since it is larger than the sum of its proper divisors (30133047).

51410121 is a wasteful number, since it uses less digits than its factorization.

51410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 51410121 is about 7170.0851459379. The cubic root of 51410121 is about 371.8343796792.

Adding to 51410121 its reverse (12101415), we get a palindrome (63511536).

The spelling of 51410121 in words is "fifty-one million, four hundred ten thousand, one hundred twenty-one".