1167122797 has 2 divisors, whose sum is σ = 1167122798. Its totient is φ = 1167122796.

The previous prime is 1167122773. The next prime is 1167122867. The reversal of 1167122797 is 7972217611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861187716 + 305935081 = 29346^2 + 17491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167122797 - 2²³ = 1158734189 is a prime.

It is a super-3 number, since 3×1167122797³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167122717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583561398 + 583561399.

It is an arithmetic number, because the mean of its divisors is an integer number (583561399).

Almost surely, 2^1167122797 is an apocalyptic number.

It is an amenable number.

1167122797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167122797 is an equidigital number, since it uses as much as digits as its factorization.

1167122797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 43.

The square root of 1167122797 is about 34163.1789650788. The cubic root of 1167122797 is about 1052.8637761722.

The spelling of 1167122797 in words is "one billion, one hundred sixty-seven million, one hundred twenty-two thousand, seven hundred ninety-seven".