1167200071 has 2 divisors, whose sum is σ = 1167200072. Its totient is φ = 1167200070.

The previous prime is 1167200051. The next prime is 1167200081. The reversal of 1167200071 is 1700027611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1167200071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583600035 + 583600036.

It is an arithmetic number, because the mean of its divisors is an integer number (583600036).

Almost surely, 2^1167200071 is an apocalyptic number.

1167200071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167200071 is an equidigital number, since it uses as much as digits as its factorization.

1167200071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1167200071 is about 34164.3099008307. The cubic root of 1167200071 is about 1052.8870120020.

Adding to 1167200071 its reverse (1700027611), we get a palindrome (2867227682).

The spelling of 1167200071 in words is "one billion, one hundred sixty-seven million, two hundred thousand, seventy-one".