1167107881 has 2 divisors, whose sum is σ = 1167107882. Its totient is φ = 1167107880.

The previous prime is 1167107839. The next prime is 1167107939. The reversal of 1167107881 is 1887017611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068701481 + 98406400 = 32691^2 + 9920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167107881 - 2¹⁵ = 1167075113 is a prime.

It is a super-2 number, since 2×1167107881² = 2724281611784620322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1167507881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583553940 + 583553941.

It is an arithmetic number, because the mean of its divisors is an integer number (583553941).

Almost surely, 2^1167107881 is an apocalyptic number.

It is an amenable number.

1167107881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167107881 is an equidigital number, since it uses as much as digits as its factorization.

1167107881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 40.

The square root of 1167107881 is about 34162.9606591700. The cubic root of 1167107881 is about 1052.8592909021.

The spelling of 1167107881 in words is "one billion, one hundred sixty-seven million, one hundred seven thousand, eight hundred eighty-one".