103203040 has 24 divisors (see below), whose sum is σ = 243817560. Its totient is φ = 41281152.

The previous prime is 103203017. The next prime is 103203071. The reversal of 103203040 is 40302301.

It is a self number, because there is not a number n which added to its sum of digits gives 103203040.

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, 322350 + ... + 322669.

It is an arithmetic number, because the mean of its divisors is an integer number (10159065).

Almost surely, 2^103203040 is an apocalyptic number.

103203040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103203040 is an abundant number, since it is smaller than the sum of its proper divisors (140614520).

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

103203040 is an equidigital number, since it uses as much as digits as its factorization.

103203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645034 (or 645026 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103203040 is about 10158.8897031122. The cubic root of 103203040 is about 469.0626254678.

Adding to 103203040 its reverse (40302301), we get a palindrome (143505341).

The spelling of 103203040 in words is "one hundred three million, two hundred three thousand, forty".