126200864 has 12 divisors (see below), whose sum is σ = 248458014. Its totient is φ = 63100416.

The previous prime is 126200861. The next prime is 126200909. The reversal of 126200864 is 468002621.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 3168400 = 11092^2 + 1780^2 .

It is not an unprimeable number, because it can be changed into a prime (126200861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971857 + ... + 1971920.

Almost surely, 2^126200864 is an apocalyptic number.

It is an amenable number.

126200864 is a deficient number, since it is larger than the sum of its proper divisors (122257150).

126200864 is an equidigital number, since it uses as much as digits as its factorization.

126200864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943787 (or 3943779 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 126200864 is about 11233.9157910321. The cubic root of 126200864 is about 501.5960518162.

The spelling of 126200864 in words is "one hundred twenty-six million, two hundred thousand, eight hundred sixty-four".