1167775601 has 2 divisors, whose sum is σ = 1167775602. Its totient is φ = 1167775600.

The previous prime is 1167775597. The next prime is 1167775603. The reversal of 1167775601 is 1065777611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032658225 + 135117376 = 32135^2 + 11624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167775601 - 2² = 1167775597 is a prime.

It is a super-2 number, since 2×1167775601² = 2727399708581822402, which contains 22 as substring.

Together with 1167775603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1167775603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583887800 + 583887801.

It is an arithmetic number, because the mean of its divisors is an integer number (583887801).

Almost surely, 2^1167775601 is an apocalyptic number.

It is an amenable number.

1167775601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167775601 is an equidigital number, since it uses as much as digits as its factorization.

1167775601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 1167775601 is about 34172.7318340223. The cubic root of 1167775601 is about 1053.0600381770.

It can be divided in two parts, 11677 and 75601, that added together give a palindrome (87278).

The spelling of 1167775601 in words is "one billion, one hundred sixty-seven million, seven hundred seventy-five thousand, six hundred one".