1002045102 has 16 divisors (see below), whose sum is σ = 2005110912. Its totient is φ = 333844920.

The previous prime is 1002045097. The next prime is 1002045103. The reversal of 1002045102 is 2015402001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002045103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29458 + ... + 53589.

It is an arithmetic number, because the mean of its divisors is an integer number (125319432).

Almost surely, 2^1002045102 is an apocalyptic number.

1002045102 is an abundant number, since it is smaller than the sum of its proper divisors (1003065810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002045102 is a wasteful number, since it uses less digits than its factorization.

1002045102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85063.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1002045102 is about 31655.0959878500. The cubic root of 1002045102 is about 1000.6812364781.

Adding to 1002045102 its reverse (2015402001), we get a palindrome (3017447103).

The spelling of 1002045102 in words is "one billion, two million, forty-five thousand, one hundred two".