102012602 has 4 divisors (see below), whose sum is σ = 153018906. Its totient is φ = 51006300.

The previous prime is 102012569. The next prime is 102012619. The reversal of 102012602 is 206210201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206210201 = 797 ⋅258733.

It can be written as a sum of positive squares in only one way, i.e., 101989801 + 22801 = 10099^2 + 151^2 .

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 as a sum of consecutive naturals, namely, 25503149 + ... + 25503152.

Almost surely, 2^102012602 is an apocalyptic number.

102012602 is a deficient number, since it is larger than the sum of its proper divisors (51006304).

102012602 is an equidigital number, since it uses as much as digits as its factorization.

102012602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006303.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102012602 is about 10100.1288110598. The cubic root of 102012602 is about 467.2521140976.

Adding to 102012602 its reverse (206210201), we get a palindrome (308222803).

The spelling of 102012602 in words is "one hundred two million, twelve thousand, six hundred two".