10126531 has 4 divisors (see below), whose sum is σ = 10133064. Its totient is φ = 10120000.

The previous prime is 10126507. The next prime is 10126561. The reversal of 10126531 is 13562101.

10126531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13562101 = 7 ⋅1937443.

It is a cyclic number.

It is not a de Polignac number, because 10126531 - 2⁹ = 10126019 is a prime.

It is a super-2 number, since 2×10126531² = 205093260187922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10126499 and 10126508.

It is not an unprimeable number, because it can be changed into a prime (10126561) 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, 531 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (2533266).

Almost surely, 2^10126531 is an apocalyptic number.

10126531 is a deficient number, since it is larger than the sum of its proper divisors (6533).

10126531 is an equidigital number, since it uses as much as digits as its factorization.

10126531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10126531 is about 3182.2210796863. The cubic root of 10126531 is about 216.3483391155.

Adding to 10126531 its reverse (13562101), we get a palindrome (23688632).

The spelling of 10126531 in words is "ten million, one hundred twenty-six thousand, five hundred thirty-one".