1120145217 has 4 divisors (see below), whose sum is σ = 1493526960. Its totient is φ = 746763476.

The previous prime is 1120145179. The next prime is 1120145269. The reversal of 1120145217 is 7125410211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7125410211 = 3 ⋅2375136737.

It is a cyclic number.

It is not a de Polignac number, because 1120145217 - 2¹⁴ = 1120128833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120144217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186690867 + ... + 186690872.

It is an arithmetic number, because the mean of its divisors is an integer number (373381740).

Almost surely, 2^1120145217 is an apocalyptic number.

It is an amenable number.

1120145217 is a deficient number, since it is larger than the sum of its proper divisors (373381743).

1120145217 is an equidigital number, since it uses as much as digits as its factorization.

1120145217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373381742.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1120145217 is about 33468.5705849533. The cubic root of 1120145217 is about 1038.5437016696.

Adding to 1120145217 its reverse (7125410211), we get a palindrome (8245555428).

The spelling of 1120145217 in words is "one billion, one hundred twenty million, one hundred forty-five thousand, two hundred seventeen".