126331026 has 16 divisors (see below), whose sum is σ = 256124064. Its totient is φ = 41533344.

The previous prime is 126331021. The next prime is 126331043. The reversal of 126331026 is 620133621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126330987 and 126331005.

It is not an unprimeable number, because it can be changed into a prime (126331021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143776 + ... + 144651.

It is an arithmetic number, because the mean of its divisors is an integer number (16007754).

Almost surely, 2^126331026 is an apocalyptic number.

126331026 is an abundant number, since it is smaller than the sum of its proper divisors (129793038).

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

126331026 is a wasteful number, since it uses less digits than its factorization.

126331026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288505.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126331026 is about 11239.7075584732. The cubic root of 126331026 is about 501.7684392048.

Adding to 126331026 its reverse (620133621), we get a palindrome (746464647).

The spelling of 126331026 in words is "one hundred twenty-six million, three hundred thirty-one thousand, twenty-six".