102077173 has 6 divisors (see below), whose sum is σ = 112200662. Its totient is φ = 92797320.

The previous prime is 102077153. The next prime is 102077179. The reversal of 102077173 is 371770201.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 43125489 = 7678^2 + 6567^2 .

It is a de Polignac number, because none of the positive numbers 2^k-102077173 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 (102077179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421686 + ... + 421927.

Almost surely, 2^102077173 is an apocalyptic number.

It is an amenable number.

102077173 is a deficient number, since it is larger than the sum of its proper divisors (10123489).

102077173 is an equidigital number, since it uses as much as digits as its factorization.

102077173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843635 (or 843624 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 102077173 is about 10103.3248487812. The cubic root of 102077173 is about 467.3506789550.

The spelling of 102077173 in words is "one hundred two million, seventy-seven thousand, one hundred seventy-three".