1120145077 has 4 divisors (see below), whose sum is σ = 1121078956. Its totient is φ = 1119211200.

The previous prime is 1120145021. The next prime is 1120145087. The reversal of 1120145077 is 7705410211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 451095121 + 669049956 = 21239^2 + 25866^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120145077 - 2¹⁵ = 1120112309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120145087) 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 3 ways as a sum of consecutive naturals, for example, 465138 + ... + 467539.

It is an arithmetic number, because the mean of its divisors is an integer number (280269739).

Almost surely, 2^1120145077 is an apocalyptic number.

It is an amenable number.

1120145077 is a deficient number, since it is larger than the sum of its proper divisors (933879).

1120145077 is an equidigital number, since it uses as much as digits as its factorization.

1120145077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933878.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1120145077 is about 33468.5684934387. The cubic root of 1120145077 is about 1038.5436584025.

Adding to 1120145077 its reverse (7705410211), we get a palindrome (8825555288).

The spelling of 1120145077 in words is "one billion, one hundred twenty million, one hundred forty-five thousand, seventy-seven".