126466535243 has 8 divisors (see below), whose sum is σ = 132334406016. Its totient is φ = 120710433600.

The previous prime is 126466535233. The next prime is 126466535249. The reversal of 126466535243 is 342535664621.

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 126466535243 - 2¹⁶ = 126466469707 is a prime.

It is a super-2 number, since 2×126466535243² (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 (126466535249) 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, 27939968 + ... + 27944493.

It is an arithmetic number, because the mean of its divisors is an integer number (16541800752).

Almost surely, 2^126466535243 is an apocalyptic number.

126466535243 is a deficient number, since it is larger than the sum of its proper divisors (5867870773).

126466535243 is an equidigital number, since it uses as much as digits as its factorization.

126466535243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55884565.

The product of its digits is 3110400, while the sum is 47.

The spelling of 126466535243 in words is "one hundred twenty-six billion, four hundred sixty-six million, five hundred thirty-five thousand, two hundred forty-three".