10603421 has 4 divisors (see below), whose sum is σ = 10783200. Its totient is φ = 10423644.

The previous prime is 10603409. The next prime is 10603477. The reversal of 10603421 is 12430601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12430601 = 1279 ⋅9719.

It is a cyclic number.

It is not a de Polignac number, because 10603421 - 2¹⁴ = 10587037 is a prime.

It is a super-2 number, since 2×10603421² = 224865073806482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10603421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10602421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 89801 + ... + 89918.

It is an arithmetic number, because the mean of its divisors is an integer number (2695800).

Almost surely, 2^10603421 is an apocalyptic number.

It is an amenable number.

10603421 is a deficient number, since it is larger than the sum of its proper divisors (179779).

10603421 is an equidigital number, since it uses as much as digits as its factorization.

10603421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179778.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10603421 is about 3256.2894527360. The cubic root of 10603421 is about 219.6925526398.

The spelling of 10603421 in words is "ten million, six hundred three thousand, four hundred twenty-one".