102200771 has 4 divisors (see below), whose sum is σ = 104962992. Its totient is φ = 99438552.

The previous prime is 102200717. The next prime is 102200779. The reversal of 102200771 is 177002201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102200771 - 2¹⁴ = 102184387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381055 + ... + 1381128.

It is an arithmetic number, because the mean of its divisors is an integer number (26240748).

Almost surely, 2^102200771 is an apocalyptic number.

102200771 is a deficient number, since it is larger than the sum of its proper divisors (2762221).

102200771 is an equidigital number, since it uses as much as digits as its factorization.

102200771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762220.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 102200771 is about 10109.4396976291. The cubic root of 102200771 is about 467.5392301242.

Adding to 102200771 its reverse (177002201), we get a palindrome (279202972).

The spelling of 102200771 in words is "one hundred two million, two hundred thousand, seven hundred seventy-one".