10420605 has 48 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 5007744.

The previous prime is 10420603. The next prime is 10420637. The reversal of 10420605 is 50602401.

It is a happy number.

It is not a de Polignac number, because 10420605 - 2¹ = 10420603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420603) 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 47 ways as a sum of consecutive naturals, for example, 27306 + ... + 27684.

It is an arithmetic number, because the mean of its divisors is an integer number (414960).

Almost surely, 2^10420605 is an apocalyptic number.

10420605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10420605 is a deficient number, since it is larger than the sum of its proper divisors (9497475).

10420605 is a wasteful number, since it uses less digits than its factorization.

10420605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10420605 is about 3228.0961881580. The cubic root of 10420605 is about 218.4226363246.

It can be divided in two parts, 10420 and 605, that added together give a square (11025 = 105²).

The spelling of 10420605 in words is "ten million, four hundred twenty thousand, six hundred five".