247161127 has 2 divisors, whose sum is σ = 247161128. Its totient is φ = 247161126.

The previous prime is 247161107. The next prime is 247161143. The reversal of 247161127 is 721161742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247161127 - 2¹⁵ = 247128359 is a prime.

It is a super-2 number, since 2×247161127² = 122177245399820258, which contains 22 as substring.

It is equal to p_13532377 and since 247161127 and 13532377 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247161107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123580563 + 123580564.

It is an arithmetic number, because the mean of its divisors is an integer number (123580564).

Almost surely, 2^247161127 is an apocalyptic number.

247161127 is a deficient number, since it is larger than the sum of its proper divisors (1).

247161127 is an equidigital number, since it uses as much as digits as its factorization.

247161127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 247161127 is about 15721.3589425342. The cubic root of 247161127 is about 627.5669379342.

The spelling of 247161127 in words is "two hundred forty-seven million, one hundred sixty-one thousand, one hundred twenty-seven".