126866477304004 has 9 divisors (see below), whose sum is σ = 222016374704271. Its totient is φ = 63433227388500.

The previous prime is 126866477303977. The next prime is 126866477304089. The reversal of 126866477304004 is 400403774668621.

The square root of 126866477304004 is 11263502.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126866477304004.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19711129 + ... + 25342879.

Almost surely, 2^{126866477304004} is an apocalyptic number.

126866477304004 is the 11263502-nd square number.

It is an amenable number.

126866477304004 is a deficient number, since it is larger than the sum of its proper divisors (95149897400267).

126866477304004 is an frugal number, since it uses more digits than its factorization.

126866477304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263506 (or 5631753 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 126866477304004 in words is "one hundred twenty-six trillion, eight hundred sixty-six billion, four hundred seventy-seven million, three hundred four thousand, four".