1120217172 has 12 divisors (see below), whose sum is σ = 2613840096. Its totient is φ = 373405720.

The previous prime is 1120217171. The next prime is 1120217173. The reversal of 1120217172 is 2717120211.

It is an interprime number because it is at equal distance from previous prime (1120217171) and next prime (1120217173).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120217171) 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, 46675704 + ... + 46675727.

It is an arithmetic number, because the mean of its divisors is an integer number (217820008).

Almost surely, 2^1120217172 is an apocalyptic number.

1120217172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120217172 is an abundant number, since it is smaller than the sum of its proper divisors (1493622924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120217172 is a wasteful number, since it uses less digits than its factorization.

1120217172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93351438 (or 93351436 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 1120217172 is about 33469.6455314364. The cubic root of 1120217172 is about 1038.5659389090.

Adding to 1120217172 its reverse (2717120211), we get a palindrome (3837337383).

The spelling of 1120217172 in words is "one billion, one hundred twenty million, two hundred seventeen thousand, one hundred seventy-two".