103243040 has 48 divisors (see below), whose sum is σ = 258266232. Its totient is φ = 38866944.

The previous prime is 103243039. The next prime is 103243069. The reversal of 103243040 is 40342301.

It can be written as a sum of positive squares in 4 ways, for example, as 65739664 + 37503376 = 8108^2 + 6124^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16259 + ... + 21698.

Almost surely, 2^103243040 is an apocalyptic number.

103243040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103243040 is an abundant number, since it is smaller than the sum of its proper divisors (155023192).

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

103243040 is a wasteful number, since it uses less digits than its factorization.

103243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37989 (or 37981 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 103243040 is about 10160.8582314684. The cubic root of 103243040 is about 469.1232182614.

Adding to 103243040 its reverse (40342301), we get a palindrome (143585341).

The spelling of 103243040 in words is "one hundred three million, two hundred forty-three thousand, forty".