1102020172 has 48 divisors (see below), whose sum is σ = 2265459840. Its totient is φ = 463443200.

The previous prime is 1102020169. The next prime is 1102020187. The reversal of 1102020172 is 2710202011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31647 + ... + 56617.

It is an arithmetic number, because the mean of its divisors is an integer number (47197080).

Almost surely, 2^1102020172 is an apocalyptic number.

It is an amenable number.

1102020172 is an abundant number, since it is smaller than the sum of its proper divisors (1163439668).

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

1102020172 is a wasteful number, since it uses less digits than its factorization.

1102020172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062 (or 25060 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1102020172 is about 33196.6891722654. The cubic root of 1102020172 is about 1032.9116633564.

Adding to 1102020172 its reverse (2710202011), we get a palindrome (3812222183).

The spelling of 1102020172 in words is "one billion, one hundred two million, twenty thousand, one hundred seventy-two".