1162120077 has 6 divisors (see below), whose sum is σ = 1678617902. Its totient is φ = 774746712.

The previous prime is 1162120067. The next prime is 1162120097. The reversal of 1162120077 is 7700212611.

1162120077 is a `hidden beast` number, since 11 + 621 + 20 + 0 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 900360036 + 261760041 = 30006^2 + 16179^2 .

It is not a de Polignac number, because 1162120077 - 2¹⁰ = 1162119053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1162120077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162120007) 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 in 5 ways as a sum of consecutive naturals, for example, 64562218 + ... + 64562235.

Almost surely, 2^1162120077 is an apocalyptic number.

It is an amenable number.

1162120077 is a deficient number, since it is larger than the sum of its proper divisors (516497825).

1162120077 is a wasteful number, since it uses less digits than its factorization.

1162120077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129124459 (or 129124456 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1162120077 is about 34089.8823259923. The cubic root of 1162120077 is about 1051.3573004886.

Adding to 1162120077 its reverse (7700212611), we get a palindrome (8862332688).

The spelling of 1162120077 in words is "one billion, one hundred sixty-two million, one hundred twenty thousand, seventy-seven".