102725284 has 6 divisors (see below), whose sum is σ = 179769254. Its totient is φ = 51362640.

The previous prime is 102725269. The next prime is 102725317. The reversal of 102725284 is 482527201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102454884 + 270400 = 10122^2 + 520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12840657 + ... + 12840664.

Almost surely, 2^102725284 is an apocalyptic number.

It is an amenable number.

102725284 is a deficient number, since it is larger than the sum of its proper divisors (77043970).

102725284 is a wasteful number, since it uses less digits than its factorization.

102725284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25681325 (or 25681323 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 102725284 is about 10135.3482426604. The cubic root of 102725284 is about 468.3376979227.

The spelling of 102725284 in words is "one hundred two million, seven hundred twenty-five thousand, two hundred eighty-four".