103040421 has 16 divisors (see below), whose sum is σ = 153534528. Its totient is φ = 60924800.

The previous prime is 103040419. The next prime is 103040429. The reversal of 103040421 is 124040301.

It is a cyclic number.

It is not a de Polignac number, because 103040421 - 2¹ = 103040419 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103040421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103040429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36726 + ... + 39431.

It is an arithmetic number, because the mean of its divisors is an integer number (9595908).

Almost surely, 2^103040421 is an apocalyptic number.

103040421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103040421 is a deficient number, since it is larger than the sum of its proper divisors (50494107).

103040421 is a wasteful number, since it uses less digits than its factorization.

103040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76212.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103040421 is about 10150.8827694935. The cubic root of 103040421 is about 468.8161256402.

Adding to 103040421 its reverse (124040301), we get a palindrome (227080722).

The spelling of 103040421 in words is "one hundred three million, forty thousand, four hundred twenty-one".