126863966 has 8 divisors (see below), whose sum is σ = 196434624. Its totient is φ = 61385760.

The previous prime is 126863903. The next prime is 126863977. The reversal of 126863966 is 669368621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126863966.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1023035 + ... + 1023158.

It is an arithmetic number, because the mean of its divisors is an integer number (24554328).

Almost surely, 2^126863966 is an apocalyptic number.

126863966 is a deficient number, since it is larger than the sum of its proper divisors (69570658).

126863966 is a wasteful number, since it uses less digits than its factorization.

126863966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046226.

The product of its digits is 559872, while the sum is 47.

The square root of 126863966 is about 11263.3905197325. The cubic root of 126863966 is about 502.4730360192.

The spelling of 126863966 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, nine hundred sixty-six".