51122007 has 24 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 32624640.

The previous prime is 51121979. The next prime is 51122021. The reversal of 51122007 is 70022115.

51122007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51122007 - 2⁷ = 51121879 is a prime.

It is a super-2 number, since 2×51122007² = 5226919199416098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122047) 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 23 ways as a sum of consecutive naturals, for example, 26119 + ... + 28007.

It is an arithmetic number, because the mean of its divisors is an integer number (3210480).

Almost surely, 2^51122007 is an apocalyptic number.

51122007 is a deficient number, since it is larger than the sum of its proper divisors (25929513).

51122007 is a wasteful number, since it uses less digits than its factorization.

51122007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 51122007 is about 7149.9655243924. The cubic root of 51122007 is about 371.1384632458.

The spelling of 51122007 in words is "fifty-one million, one hundred twenty-two thousand, seven".