126051202643 has 4 divisors (see below), whose sum is σ = 126062395608. Its totient is φ = 126040009680.

The previous prime is 126051202639. The next prime is 126051202663. The reversal of 126051202643 is 346202150621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126051202643 - 2² = 126051202639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126051202603) 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, 5579573 + ... + 5602118.

It is an arithmetic number, because the mean of its divisors is an integer number (31515598902).

Almost surely, 2^126051202643 is an apocalyptic number.

126051202643 is a deficient number, since it is larger than the sum of its proper divisors (11192965).

126051202643 is a wasteful number, since it uses less digits than its factorization.

126051202643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192964.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 126051202643 in words is "one hundred twenty-six billion, fifty-one million, two hundred two thousand, six hundred forty-three".