102770 has 16 divisors (see below), whose sum is σ = 190080. Its totient is φ = 39984.

The previous prime is 102769. The next prime is 102793. The reversal of 102770 is 77201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 549.

It is an arithmetic number, because the mean of its divisors is an integer number (11880).

2¹⁰²⁷⁷⁰ is an apocalyptic number.

102770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102770 is a deficient number, since it is larger than the sum of its proper divisors (87310).

102770 is a wasteful number, since it uses less digits than its factorization.

102770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 102770 is about 320.5776037093. The cubic root of 102770 is about 46.8405643384.

Adding to 102770 its reverse (77201), we get a palindrome (179971).

The spelling of 102770 in words is "one hundred two thousand, seven hundred seventy", and thus it is an iban number.