126784322570 has 16 divisors (see below), whose sum is σ = 229208342760. Its totient is φ = 50492270784.

The previous prime is 126784322563. The next prime is 126784322647. The reversal of 126784322570 is 75223487621.

It can be written as a sum of positive squares in 4 ways, for example, as 106916574361 + 19867748209 = 326981^2 + 140953^2 .

It is a super-2 number, since 2×126784322570² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27679877 + ... + 27684456.

Almost surely, 2^126784322570 is an apocalyptic number.

126784322570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126784322570 is a deficient number, since it is larger than the sum of its proper divisors (102424020190).

126784322570 is a wasteful number, since it uses less digits than its factorization.

126784322570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55364569.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 126784322570 in words is "one hundred twenty-six billion, seven hundred eighty-four million, three hundred twenty-two thousand, five hundred seventy".