126647976 has 128 divisors (see below), whose sum is σ = 394168320. Its totient is φ = 33018624.

The previous prime is 126647971. The next prime is 126647987. The reversal of 126647976 is 679746621.

It is not an unprimeable number, because it can be changed into a prime (126647971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224671 + ... + 225233.

It is an arithmetic number, because the mean of its divisors is an integer number (3079440).

Almost surely, 2^126647976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126647976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197084160).

126647976 is an abundant number, since it is smaller than the sum of its proper divisors (267520344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126647976 is a wasteful number, since it uses less digits than its factorization.

126647976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 691 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 126647976 is about 11253.7982921323. The cubic root of 126647976 is about 502.1877151771.

The spelling of 126647976 in words is "one hundred twenty-six million, six hundred forty-seven thousand, nine hundred seventy-six".