102771797 has 4 divisors (see below), whose sum is σ = 107240160. Its totient is φ = 98303436.

The previous prime is 102771761. The next prime is 102771803. The reversal of 102771797 is 797177201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102771797 - 2¹² = 102767701 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 (102771497) 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, 2234147 + ... + 2234192.

It is an arithmetic number, because the mean of its divisors is an integer number (26810040).

Almost surely, 2^102771797 is an apocalyptic number.

It is an amenable number.

102771797 is a deficient number, since it is larger than the sum of its proper divisors (4468363).

102771797 is an equidigital number, since it uses as much as digits as its factorization.

102771797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468362.

The product of its (nonzero) digits is 43218, while the sum is 41.

The square root of 102771797 is about 10137.6425760627. The cubic root of 102771797 is about 468.4083734938.

The spelling of 102771797 in words is "one hundred two million, seven hundred seventy-one thousand, seven hundred ninety-seven".