126036131 has 4 divisors (see below), whose sum is σ = 135731232. Its totient is φ = 116341032.

The previous prime is 126036121. The next prime is 126036133. The reversal of 126036131 is 131630621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131630621 = 181 ⋅727241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126036131 is a prime.

It is a super-2 number, since 2×126036131² = 31770212634898322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126036097 and 126036106.

It is not an unprimeable number, because it can be changed into a prime (126036133) 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, 4847531 + ... + 4847556.

It is an arithmetic number, because the mean of its divisors is an integer number (33932808).

Almost surely, 2^126036131 is an apocalyptic number.

126036131 is a deficient number, since it is larger than the sum of its proper divisors (9695101).

126036131 is an equidigital number, since it uses as much as digits as its factorization.

126036131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695100.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 126036131 is about 11226.5814476180. The cubic root of 126036131 is about 501.3777083527.

Adding to 126036131 its reverse (131630621), we get a palindrome (257666752).

The spelling of 126036131 in words is "one hundred twenty-six million, thirty-six thousand, one hundred thirty-one".