1120787417 has 2 divisors, whose sum is σ = 1120787418. Its totient is φ = 1120787416.

The previous prime is 1120787411. The next prime is 1120787467. The reversal of 1120787417 is 7147870211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067263561 + 53523856 = 32669^2 + 7316^2 .

It is an emirp because it is prime and its reverse (7147870211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120787417 - 2¹⁶ = 1120721881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120787411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560393708 + 560393709.

It is an arithmetic number, because the mean of its divisors is an integer number (560393709).

Almost surely, 2^1120787417 is an apocalyptic number.

It is an amenable number.

1120787417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120787417 is an equidigital number, since it uses as much as digits as its factorization.

1120787417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 1120787417 is about 33478.1632859391. The cubic root of 1120787417 is about 1038.7421358657.

The spelling of 1120787417 in words is "one billion, one hundred twenty million, seven hundred eighty-seven thousand, four hundred seventeen".