102603540 has 48 divisors (see below), whose sum is σ = 309391488. Its totient is φ = 25256064.

The previous prime is 102603539. The next prime is 102603559. The reversal of 102603540 is 45306201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 64992 + ... + 66551.

It is an arithmetic number, because the mean of its divisors is an integer number (6445656).

Almost surely, 2^102603540 is an apocalyptic number.

102603540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102603540 is an abundant number, since it is smaller than the sum of its proper divisors (206787948).

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

102603540 is a wasteful number, since it uses less digits than its factorization.

102603540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131568 (or 131566 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102603540 is about 10129.3405510922. The cubic root of 102603540 is about 468.1526092998.

Adding to 102603540 its reverse (45306201), we get a palindrome (147909741).

The spelling of 102603540 in words is "one hundred two million, six hundred three thousand, five hundred forty".