10131426 has 32 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 3361392.

The previous prime is 10131419. The next prime is 10131463. The reversal of 10131426 is 62413101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10131399 and 10131408.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19891 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 2^10131426 is an apocalyptic number.

10131426 is an abundant number, since it is smaller than the sum of its proper divisors (12488094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131426 is a wasteful number, since it uses less digits than its factorization.

10131426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10131426 is about 3182.9901036604. The cubic root of 10131426 is about 216.3831932535.

Adding to 10131426 its reverse (62413101), we get a palindrome (72544527).

The spelling of 10131426 in words is "ten million, one hundred thirty-one thousand, four hundred twenty-six".