1002101078 has 16 divisors (see below), whose sum is σ = 1726107840. Its totient is φ = 431526600.

The previous prime is 1002101077. The next prime is 1002101123. The reversal of 1002101078 is 8701012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198268 + ... + 1199103.

It is an arithmetic number, because the mean of its divisors is an integer number (107881740).

Almost surely, 2^1002101078 is an apocalyptic number.

1002101078 is a deficient number, since it is larger than the sum of its proper divisors (724006762).

1002101078 is a wasteful number, since it uses less digits than its factorization.

1002101078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397403.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1002101078 is about 31655.9801301429. The cubic root of 1002101078 is about 1000.6998694019.

Adding to 1002101078 its reverse (8701012001), we get a palindrome (9703113079).

The spelling of 1002101078 in words is "one billion, two million, one hundred one thousand, seventy-eight".