51065122 has 32 divisors (see below), whose sum is σ = 84602880. Its totient is φ = 23023440.

The previous prime is 51065111. The next prime is 51065137. The reversal of 51065122 is 22156015.

It is a junction number, because it is equal to n+sod(n) for n = 51065093 and 51065102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78603 + ... + 79249.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840).

Almost surely, 2^51065122 is an apocalyptic number.

51065122 is a deficient number, since it is larger than the sum of its proper divisors (33537758).

51065122 is a wasteful number, since it uses less digits than its factorization.

51065122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51065122 is about 7145.9864259597. The cubic root of 51065122 is about 371.0007531655. Note that the first 3 decimals are identical.

The spelling of 51065122 in words is "fifty-one million, sixty-five thousand, one hundred twenty-two".