126633130361 has 4 divisors (see below), whose sum is σ = 126633881424. Its totient is φ = 126632379300.

The previous prime is 126633130321. The next prime is 126633130363. The reversal of 126633130361 is 163031336621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126633130361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126633130363) 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, 7826 + ... + 503316.

It is an arithmetic number, because the mean of its divisors is an integer number (31658470356).

Almost surely, 2^126633130361 is an apocalyptic number.

It is an amenable number.

126633130361 is a deficient number, since it is larger than the sum of its proper divisors (751063).

126633130361 is an equidigital number, since it uses as much as digits as its factorization.

126633130361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751062.

The product of its (nonzero) digits is 34992, while the sum is 35.

Adding to 126633130361 its reverse (163031336621), we get a palindrome (289664466982).

The spelling of 126633130361 in words is "one hundred twenty-six billion, six hundred thirty-three million, one hundred thirty thousand, three hundred sixty-one".