102103604 has 6 divisors (see below), whose sum is σ = 178681314. Its totient is φ = 51051800.

The previous prime is 102103583. The next prime is 102103613. The reversal of 102103604 is 406301201.

It can be written as a sum of positive squares in only one way, i.e., 101042704 + 1060900 = 10052^2 + 1030^2 .

It is a super-3 number, since 3×102103604³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762947 + ... + 12762954.

It is an arithmetic number, because the mean of its divisors is an integer number (29780219).

Almost surely, 2^102103604 is an apocalyptic number.

It is an amenable number.

102103604 is a deficient number, since it is larger than the sum of its proper divisors (76577710).

102103604 is a wasteful number, since it uses less digits than its factorization.

102103604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25525905 (or 25525903 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102103604 is about 10104.6327988700. The cubic root of 102103604 is about 467.3910127516.

Adding to 102103604 its reverse (406301201), we get a palindrome (508404805).

The spelling of 102103604 in words is "one hundred two million, one hundred three thousand, six hundred four".