126063721351 has 8 divisors (see below), whose sum is σ = 129208441824. Its totient is φ = 122922334080.

The previous prime is 126063721327. The next prime is 126063721379. The reversal of 126063721351 is 153127360621.

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 126063721351 - 2²⁵ = 126030166919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126063721351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126061721351) 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, 756630 + ... + 908083.

It is an arithmetic number, because the mean of its divisors is an integer number (16151055228).

Almost surely, 2^126063721351 is an apocalyptic number.

126063721351 is a deficient number, since it is larger than the sum of its proper divisors (3144720473).

126063721351 is a wasteful number, since it uses less digits than its factorization.

126063721351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666601.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 126063721351 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, three hundred fifty-one".