1001000102 has 4 divisors (see below), whose sum is σ = 1501500156. Its totient is φ = 500500050.

The previous prime is 1001000051. The next prime is 1001000107. The reversal of 1001000102 is 2010001001.

It is a happy number.

1001000102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2010001001 = 17 ⋅118235353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250024 + ... + 250250027.

It is an arithmetic number, because the mean of its divisors is an integer number (375375039).

Almost surely, 2^1001000102 is an apocalyptic number.

1001000102 is a deficient number, since it is larger than the sum of its proper divisors (500500054).

1001000102 is an equidigital number, since it uses as much as digits as its factorization.

1001000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500500053.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1001000102 is about 31638.5856510685. The cubic root of 1001000102 is about 1000.3332562613. Note that the first 3 decimals are identical.

Adding to 1001000102 its reverse (2010001001), we get a palindrome (3011001103).

The spelling of 1001000102 in words is "one billion, one million, one hundred two", and thus it is an aban number.