1177320055 has 8 divisors (see below), whose sum is σ = 1413199872. Its totient is φ = 941578848.

The previous prime is 1177320029. The next prime is 1177320097. The reversal of 1177320055 is 5500237711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1177320055 - 2⁹ = 1177319543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1177319999 and 1177320026.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14944 + ... + 50773.

It is an arithmetic number, because the mean of its divisors is an integer number (176649984).

Almost surely, 2^1177320055 is an apocalyptic number.

1177320055 is a deficient number, since it is larger than the sum of its proper divisors (235879817).

1177320055 is an equidigital number, since it uses as much as digits as its factorization.

1177320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69305.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1177320055 is about 34312.0977936354. The cubic root of 1177320055 is about 1055.9212112049.

Adding to 1177320055 its reverse (5500237711), we get a palindrome (6677557766).

The spelling of 1177320055 in words is "one billion, one hundred seventy-seven million, three hundred twenty thousand, fifty-five".