126660312131 has 8 divisors (see below), whose sum is σ = 128194073280. Its totient is φ = 125126735272.

The previous prime is 126660312091. The next prime is 126660312157. The reversal of 126660312131 is 131213066621.

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

It is a cyclic number.

It is not a de Polignac number, because 126660312131 - 2³⁴ = 109480442947 is a prime.

It is a super-2 number, since 2×126660312131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126660312631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764500 + ... + 1834878.

It is an arithmetic number, because the mean of its divisors is an integer number (16024259160).

Almost surely, 2^126660312131 is an apocalyptic number.

126660312131 is a deficient number, since it is larger than the sum of its proper divisors (1533761149).

126660312131 is an equidigital number, since it uses as much as digits as its factorization.

126660312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92145.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 126660312131 its reverse (131213066621), we get a palindrome (257873378752).

The spelling of 126660312131 in words is "one hundred twenty-six billion, six hundred sixty million, three hundred twelve thousand, one hundred thirty-one".