1102272273 has 16 divisors (see below), whose sum is σ = 1639512000. Its totient is φ = 731916000.

The previous prime is 1102272221. The next prime is 1102272293. The reversal of 1102272273 is 3722722011.

It is not a de Polignac number, because 1102272273 - 2³⁰ = 28530449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1102272203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74548 + ... + 88101.

It is an arithmetic number, because the mean of its divisors is an integer number (102469500).

Almost surely, 2^1102272273 is an apocalyptic number.

It is an amenable number.

1102272273 is a deficient number, since it is larger than the sum of its proper divisors (537239727).

1102272273 is a wasteful number, since it uses less digits than its factorization.

1102272273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162909 (or 162903 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1102272273 is about 33200.4860355989. The cubic root of 1102272273 is about 1032.9904212037.

Adding to 1102272273 its reverse (3722722011), we get a palindrome (4824994284).

The spelling of 1102272273 in words is "one billion, one hundred two million, two hundred seventy-two thousand, two hundred seventy-three".