102981002 has 16 divisors (see below), whose sum is σ = 163856520. Its totient is φ = 48373248.

The previous prime is 102980989. The next prime is 102981017. The reversal of 102981002 is 200189201.

It can be written as a sum of positive squares in 4 ways, for example, as 98823481 + 4157521 = 9941^2 + 2039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18524 + ... + 23432.

Almost surely, 2^102981002 is an apocalyptic number.

102981002 is a deficient number, since it is larger than the sum of its proper divisors (60875518).

102981002 is a wasteful number, since it uses less digits than its factorization.

102981002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 102981002 is about 10147.9555576481. The cubic root of 102981002 is about 468.7259929157.

The spelling of 102981002 in words is "one hundred two million, nine hundred eighty-one thousand, two".