51190127 has 2 divisors, whose sum is σ = 51190128. Its totient is φ = 51190126.

The previous prime is 51190121. The next prime is 51190141. The reversal of 51190127 is 72109115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51190127 - 2⁶ = 51190063 is a prime.

It is a super-2 number, since 2×51190127² = 5240858204552258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51190096 and 51190105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51190121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25595063 + 25595064.

It is an arithmetic number, because the mean of its divisors is an integer number (25595064).

Almost surely, 2^51190127 is an apocalyptic number.

51190127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51190127 is an equidigital number, since it uses as much as digits as its factorization.

51190127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 51190127 is about 7154.7275978894. The cubic root of 51190127 is about 371.3032372346.

The spelling of 51190127 in words is "fifty-one million, one hundred ninety thousand, one hundred twenty-seven".