126963601239 has 4 divisors (see below), whose sum is σ = 169284801656. Its totient is φ = 84642400824.

The previous prime is 126963601187. The next prime is 126963601279. The reversal of 126963601239 is 932106369621.

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

It is not a de Polignac number, because 126963601239 - 2⁸ = 126963600983 is a prime.

It is a super-2 number, since 2×126963601239² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126963601279) 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, 21160600204 + ... + 21160600209.

It is an arithmetic number, because the mean of its divisors is an integer number (42321200414).

Almost surely, 2^126963601239 is an apocalyptic number.

126963601239 is a deficient number, since it is larger than the sum of its proper divisors (42321200417).

126963601239 is an equidigital number, since it uses as much as digits as its factorization.

126963601239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42321200416.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 126963601239 in words is "one hundred twenty-six billion, nine hundred sixty-three million, six hundred one thousand, two hundred thirty-nine".