1122112017 has 48 divisors (see below), whose sum is σ = 1827221760. Its totient is φ = 658399104.

The previous prime is 1122112007. The next prime is 1122112021. The reversal of 1122112017 is 7102112211.

It is not a de Polignac number, because 1122112017 - 2⁴ = 1122112001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122112007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1353159 + ... + 1353987.

It is an arithmetic number, because the mean of its divisors is an integer number (38067120).

Almost surely, 2^1122112017 is an apocalyptic number.

It is an amenable number.

1122112017 is a deficient number, since it is larger than the sum of its proper divisors (705109743).

1122112017 is a wasteful number, since it uses less digits than its factorization.

1122112017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1122112017 is about 33497.9404889316. The cubic root of 1122112017 is about 1039.1511864213.

Adding to 1122112017 its reverse (7102112211), we get a palindrome (8224224228).

The spelling of 1122112017 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, seventeen".