126449767 has 8 divisors (see below), whose sum is σ = 129469392. Its totient is φ = 123460800.

The previous prime is 126449761. The next prime is 126449783. The reversal of 126449767 is 767944621.

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 126449767 - 2¹⁹ = 125925479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126449761) 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, 792 + ... + 15922.

It is an arithmetic number, because the mean of its divisors is an integer number (16183674).

Almost surely, 2^126449767 is an apocalyptic number.

126449767 is a deficient number, since it is larger than the sum of its proper divisors (3019625).

126449767 is a wasteful number, since it uses less digits than its factorization.

126449767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329.

The product of its digits is 508032, while the sum is 46.

The square root of 126449767 is about 11244.9885282289. The cubic root of 126449767 is about 501.9255972968.

The spelling of 126449767 in words is "one hundred twenty-six million, four hundred forty-nine thousand, seven hundred sixty-seven".