10126489 has 4 divisors (see below), whose sum is σ = 10159156. Its totient is φ = 10093824.

The previous prime is 10126477. The next prime is 10126507. The reversal of 10126489 is 98462101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 6451600 = 1917^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 10126489 - 2⁹ = 10125977 is a prime.

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 10126489.

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, 15864 + ... + 16489.

It is an arithmetic number, because the mean of its divisors is an integer number (2539789).

Almost surely, 2^10126489 is an apocalyptic number.

It is an amenable number.

10126489 is a deficient number, since it is larger than the sum of its proper divisors (32667).

10126489 is an equidigital number, since it uses as much as digits as its factorization.

10126489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32666.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10126489 is about 3182.2144805151. The cubic root of 10126489 is about 216.3480400120.

The spelling of 10126489 in words is "ten million, one hundred twenty-six thousand, four hundred eighty-nine".