126718440963 has 8 divisors (see below), whose sum is σ = 178896622608. Its totient is φ = 79509609984.

The previous prime is 126718440931. The next prime is 126718440991. The reversal of 126718440963 is 369044817621.

It is a happy number.

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

It is not a de Polignac number, because 126718440963 - 2⁵ = 126718440931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 2484675313 = 126718440963 / (1 + 2 + 6 + 7 + 1 + 8 + 4 + 4 + 0 + 9 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (126718440763) 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, 1242337606 + ... + 1242337707.

It is an arithmetic number, because the mean of its divisors is an integer number (22362077826).

Almost surely, 2^126718440963 is an apocalyptic number.

126718440963 is a deficient number, since it is larger than the sum of its proper divisors (52178181645).

126718440963 is a wasteful number, since it uses less digits than its factorization.

126718440963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484675333.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 126718440963 in words is "one hundred twenty-six billion, seven hundred eighteen million, four hundred forty thousand, nine hundred sixty-three".