10420051 has 4 divisors (see below), whose sum is σ = 10701712. Its totient is φ = 10138392.

The previous prime is 10420009. The next prime is 10420079. The reversal of 10420051 is 15002401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15002401 = 61 ⋅245941.

It is a cyclic number.

It is not a de Polignac number, because 10420051 - 2¹¹ = 10418003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140775 + ... + 140848.

It is an arithmetic number, because the mean of its divisors is an integer number (2675428).

Almost surely, 2^10420051 is an apocalyptic number.

10420051 is a deficient number, since it is larger than the sum of its proper divisors (281661).

10420051 is an equidigital number, since it uses as much as digits as its factorization.

10420051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281660.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10420051 is about 3228.0103779263. The cubic root of 10420051 is about 218.4187655230.

Adding to 10420051 its reverse (15002401), we get a palindrome (25422452).

The spelling of 10420051 in words is "ten million, four hundred twenty thousand, fifty-one".