102081276 has 96 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 29856960.

The previous prime is 102081271. The next prime is 102081283. The reversal of 102081276 is 672180201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102081271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32971 + ... + 35933.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^102081276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102081276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).

102081276 is an abundant number, since it is smaller than the sum of its proper divisors (196689924).

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

102081276 is a wasteful number, since it uses less digits than its factorization.

102081276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 102081276 is about 10103.5278987094. The cubic root of 102081276 is about 467.3569406036.

The spelling of 102081276 in words is "one hundred two million, eighty-one thousand, two hundred seventy-six".