51102126 has 12 divisors (see below), whose sum is σ = 110721312. Its totient is φ = 17034036.

The previous prime is 51102049. The next prime is 51102127. The reversal of 51102126 is 62120115.

51102126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51102126² = 5222854563439752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2839007 = 51102126 / (5 + 1 + 1 + 0 + 2 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 51102099 and 51102108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102127) 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 5 ways as a sum of consecutive naturals, for example, 1419486 + ... + 1419521.

It is an arithmetic number, because the mean of its divisors is an integer number (9226776).

Almost surely, 2^51102126 is an apocalyptic number.

51102126 is an abundant number, since it is smaller than the sum of its proper divisors (59619186).

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

51102126 is a wasteful number, since it uses less digits than its factorization.

51102126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839015 (or 2839012 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 51102126 is about 7148.5751027740. The cubic root of 51102126 is about 371.0903459350.

The spelling of 51102126 in words is "fifty-one million, one hundred two thousand, one hundred twenty-six".