102030004 has 24 divisors (see below), whose sum is σ = 185106600. Its totient is φ = 49150080.

The previous prime is 102029999. The next prime is 102030007. The reversal of 102030004 is 400030201.

It can be written as a sum of positive squares in 4 ways, for example, as 25502500 + 76527504 = 5050^2 + 8748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030007) by changing a digit.

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, 95634 + ... + 96694.

It is an arithmetic number, because the mean of its divisors is an integer number (7712775).

Almost surely, 2^102030004 is an apocalyptic number.

It is an amenable number.

102030004 is a deficient number, since it is larger than the sum of its proper divisors (83076596).

102030004 is a wasteful number, since it uses less digits than its factorization.

102030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102030004 is about 10100.9902484855. The cubic root of 102030004 is about 467.2786815962.

Adding to 102030004 its reverse (400030201), we get a palindrome (502060205).

The spelling of 102030004 in words is "one hundred two million, thirty thousand, four".