126311667 has 8 divisors (see below), whose sum is σ = 171593424. Its totient is φ = 82618848.

The previous prime is 126311657. The next prime is 126311719. The reversal of 126311667 is 766113621.

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

It is not a de Polignac number, because 126311667 - 2⁷ = 126311539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126311657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397048 + ... + 397365.

It is an arithmetic number, because the mean of its divisors is an integer number (21449178).

Almost surely, 2^126311667 is an apocalyptic number.

126311667 is a deficient number, since it is larger than the sum of its proper divisors (45281757).

126311667 is an equidigital number, since it uses as much as digits as its factorization.

126311667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794469.

The product of its digits is 9072, while the sum is 33.

The square root of 126311667 is about 11238.8463375918. The cubic root of 126311667 is about 501.7428075191.

The spelling of 126311667 in words is "one hundred twenty-six million, three hundred eleven thousand, six hundred sixty-seven".