1120779755 has 4 divisors (see below), whose sum is σ = 1344935712. Its totient is φ = 896623800.

The previous prime is 1120779749. The next prime is 1120779763. The reversal of 1120779755 is 5579770211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5579770211 = 173 ⋅32253007.

It is not a de Polignac number, because 1120779755 - 2¹⁶ = 1120714219 is a prime.

It is a super-2 number, since 2×1120779755² = 2512294518435720050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112077971 + ... + 112077980.

It is an arithmetic number, because the mean of its divisors is an integer number (336233928).

Almost surely, 2^1120779755 is an apocalyptic number.

1120779755 is a deficient number, since it is larger than the sum of its proper divisors (224155957).

1120779755 is an equidigital number, since it uses as much as digits as its factorization.

1120779755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224155956.

The product of its (nonzero) digits is 154350, while the sum is 44.

The square root of 1120779755 is about 33478.0488529424. The cubic root of 1120779755 is about 1038.7397688214.

The spelling of 1120779755 in words is "one billion, one hundred twenty million, seven hundred seventy-nine thousand, seven hundred fifty-five".