10126405 has 4 divisors (see below), whose sum is σ = 12151692. Its totient is φ = 8101120.

The previous prime is 10126399. The next prime is 10126409. The reversal of 10126405 is 50462101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50462101 = 1567 ⋅32203.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 3272481 = 2618^2 + 1809^2 .

It is not a de Polignac number, because 10126405 - 2¹¹ = 10124357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10126409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012636 + ... + 1012645.

It is an arithmetic number, because the mean of its divisors is an integer number (3037923).

Almost surely, 2^10126405 is an apocalyptic number.

It is an amenable number.

10126405 is a deficient number, since it is larger than the sum of its proper divisors (2025287).

10126405 is an equidigital number, since it uses as much as digits as its factorization.

10126405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025286.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10126405 is about 3182.2012821316. The cubic root of 10126405 is about 216.3474418025.

Adding to 10126405 its reverse (50462101), we get a palindrome (60588506).

The spelling of 10126405 in words is "ten million, one hundred twenty-six thousand, four hundred five".