201126030643 has 8 divisors (see below), whose sum is σ = 220300318080. Its totient is φ = 182767670400.

The previous prime is 201126030631. The next prime is 201126030661. The reversal of 201126030643 is 346030621102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201126030643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201126030673) 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, 203981283 + ... + 203982268.

It is an arithmetic number, because the mean of its divisors is an integer number (27537539760).

Almost surely, 2^201126030643 is an apocalyptic number.

201126030643 is a deficient number, since it is larger than the sum of its proper divisors (19174287437).

201126030643 is a wasteful number, since it uses less digits than its factorization.

201126030643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407963597.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 201126030643 its reverse (346030621102), we get a palindrome (547156651745).

The spelling of 201126030643 in words is "two hundred one billion, one hundred twenty-six million, thirty thousand, six hundred forty-three".