102102004 has 12 divisors (see below), whose sum is σ = 178750404. Its totient is φ = 51030464.

The previous prime is 102101971. The next prime is 102102019. The reversal of 102102004 is 400201201.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 54464400 = 6902^2 + 7380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13842 + ... + 19894.

It is an arithmetic number, because the mean of its divisors is an integer number (14895867).

Almost surely, 2^102102004 is an apocalyptic number.

It is an amenable number.

102102004 is a deficient number, since it is larger than the sum of its proper divisors (76648400).

102102004 is a wasteful number, since it uses less digits than its factorization.

102102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10274 (or 10272 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102102004 is about 10104.5536269545. The cubic root of 102102004 is about 467.3885713441.

Adding to 102102004 its reverse (400201201), we get a palindrome (502303205).

The spelling of 102102004 in words is "one hundred two million, one hundred two thousand, four".