1120445261 has 8 divisors (see below), whose sum is σ = 1210283424. Its totient is φ = 1031128560.

The previous prime is 1120445243. The next prime is 1120445273. The reversal of 1120445261 is 1625440211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120445261 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 1120445261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120445461) 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 7 ways as a sum of consecutive naturals, for example, 125891 + ... + 134496.

It is an arithmetic number, because the mean of its divisors is an integer number (151285428).

Almost surely, 2^1120445261 is an apocalyptic number.

It is an amenable number.

1120445261 is a deficient number, since it is larger than the sum of its proper divisors (89838163).

1120445261 is a wasteful number, since it uses less digits than its factorization.

1120445261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260731.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1120445261 is about 33473.0527588985. The cubic root of 1120445261 is about 1038.6364220845.

Adding to 1120445261 its reverse (1625440211), we get a palindrome (2745885472).

It can be divided in two parts, 11204 and 45261, that added together give a palindrome (56465).

The spelling of 1120445261 in words is "one billion, one hundred twenty million, four hundred forty-five thousand, two hundred sixty-one".