1102402271 has 8 divisors (see below), whose sum is σ = 1109637360. Its totient is φ = 1095190528.

The previous prime is 1102402243. The next prime is 1102402283. The reversal of 1102402271 is 1722042011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102402271 - 2³⁰ = 28660447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102402471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94460 + ... + 105486.

It is an arithmetic number, because the mean of its divisors is an integer number (138704670).

Almost surely, 2^1102402271 is an apocalyptic number.

1102402271 is a deficient number, since it is larger than the sum of its proper divisors (7235089).

1102402271 is a wasteful number, since it uses less digits than its factorization.

1102402271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11673.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1102402271 is about 33202.4437504229. The cubic root of 1102402271 is about 1033.0310286572.

Adding to 1102402271 its reverse (1722042011), we get a palindrome (2824444282).

The spelling of 1102402271 in words is "one billion, one hundred two million, four hundred two thousand, two hundred seventy-one".