102040508 has 24 divisors (see below), whose sum is σ = 182750400. Its totient is φ = 49840128.

The previous prime is 102040501. The next prime is 102040517. The reversal of 102040508 is 805040201.

It is a self number, because there is not a number n which added to its sum of digits gives 102040508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040501) 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, 28988 + ... + 32316.

It is an arithmetic number, because the mean of its divisors is an integer number (7614600).

Almost surely, 2^102040508 is an apocalyptic number.

It is an amenable number.

102040508 is a deficient number, since it is larger than the sum of its proper divisors (80709892).

102040508 is a wasteful number, since it uses less digits than its factorization.

102040508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 102040508 is about 10101.5101841259. The cubic root of 102040508 is about 467.2947165096.

Adding to 102040508 its reverse (805040201), we get a palindrome (907080709).

The spelling of 102040508 in words is "one hundred two million, forty thousand, five hundred eight".