131028126 has 8 divisors (see below), whose sum is σ = 262056264. Its totient is φ = 43676040.

The previous prime is 131028113. The next prime is 131028127. The reversal of 131028126 is 621820131.

It is a sphenic number, since it is the product of 3 distinct primes.

131028126 is an admirable number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 131028096 and 131028105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131028127) 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, 10919005 + ... + 10919016.

It is an arithmetic number, because the mean of its divisors is an integer number (32757033).

Almost surely, 2^131028126 is an apocalyptic number.

131028126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131028126 is a wasteful number, since it uses less digits than its factorization.

131028126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21838026.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 131028126 is about 11446.7517663309. The cubic root of 131028126 is about 507.9116525428.

Adding to 131028126 its reverse (621820131), we get a palindrome (752848257).

The spelling of 131028126 in words is "one hundred thirty-one million, twenty-eight thousand, one hundred twenty-six".