126197155959 has 8 divisors (see below), whose sum is σ = 192300428160. Its totient is φ = 72112660536.

The previous prime is 126197155949. The next prime is 126197155979. The reversal of 126197155959 is 959551791621.

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

It is not a de Polignac number, because 126197155959 - 2⁷ = 126197155831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126197155949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004694169 + ... + 3004694210.

It is an arithmetic number, because the mean of its divisors is an integer number (24037553520).

Almost surely, 2^126197155959 is an apocalyptic number.

126197155959 is a deficient number, since it is larger than the sum of its proper divisors (66103272201).

126197155959 is an equidigital number, since it uses as much as digits as its factorization.

126197155959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009388389.

The product of its digits is 7654500, while the sum is 60.

The spelling of 126197155959 in words is "one hundred twenty-six billion, one hundred ninety-seven million, one hundred fifty-five thousand, nine hundred fifty-nine".