1120555213 has 2 divisors, whose sum is σ = 1120555214. Its totient is φ = 1120555212.

The previous prime is 1120555201. The next prime is 1120555217. The reversal of 1120555213 is 3125550211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048593924 + 71961289 = 32382^2 + 8483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120555213 - 2²⁵ = 1087000781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120555217) 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 as a sum of consecutive naturals, namely, 560277606 + 560277607.

It is an arithmetic number, because the mean of its divisors is an integer number (560277607).

Almost surely, 2^1120555213 is an apocalyptic number.

It is an amenable number.

1120555213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120555213 is an equidigital number, since it uses as much as digits as its factorization.

1120555213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1120555213 is about 33474.6951143696. The cubic root of 1120555213 is about 1038.6703956069.

The spelling of 1120555213 in words is "one billion, one hundred twenty million, five hundred fifty-five thousand, two hundred thirteen".