102102770 has 96 divisors (see below), whose sum is σ = 245747520. Its totient is φ = 30119040.

The previous prime is 102102761. The next prime is 102102787. The reversal of 102102770 is 77201201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101912 + ... + 102908.

It is an arithmetic number, because the mean of its divisors is an integer number (2559870).

Almost surely, 2^102102770 is an apocalyptic number.

102102770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102770 is an abundant number, since it is smaller than the sum of its proper divisors (143644750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102770 is a wasteful number, since it uses less digits than its factorization.

102102770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1041 counting only the distinct ones).

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

The square root of 102102770 is about 10104.5915305865. The cubic root of 102102770 is about 467.3897401711.

Adding to 102102770 its reverse (77201201), we get a palindrome (179303971).

The spelling of 102102770 in words is "one hundred two million, one hundred two thousand, seven hundred seventy".