126003147001 has 4 divisors (see below), whose sum is σ = 132634891600. Its totient is φ = 119371402404.

The previous prime is 126003146999. The next prime is 126003147029. The reversal of 126003147001 is 100741300621.

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.

It is a cyclic number.

It is not a de Polignac number, because 126003147001 - 2¹ = 126003146999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126003147091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315872271 + ... + 3315872308.

It is an arithmetic number, because the mean of its divisors is an integer number (33158722900).

Almost surely, 2^126003147001 is an apocalyptic number.

It is an amenable number.

126003147001 is a deficient number, since it is larger than the sum of its proper divisors (6631744599).

126003147001 is an equidigital number, since it uses as much as digits as its factorization.

126003147001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631744598.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 126003147001 its reverse (100741300621), we get a palindrome (226744447622).

The spelling of 126003147001 in words is "one hundred twenty-six billion, three million, one hundred forty-seven thousand, one".