126788824785 has 16 divisors (see below), whose sum is σ = 231842422656. Its totient is φ = 57960605568.

The previous prime is 126788824783. The next prime is 126788824891. The reversal of 126788824785 is 587428887621.

It is a happy number.

It is not a de Polignac number, because 126788824785 - 2¹ = 126788824783 is a prime.

It is a super-2 number, since 2×126788824785² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126788824783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603756204 + ... + 603756413.

It is an arithmetic number, because the mean of its divisors is an integer number (14490151416).

Almost surely, 2^126788824785 is an apocalyptic number.

126788824785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126788824785 is a deficient number, since it is larger than the sum of its proper divisors (105053597871).

126788824785 is a wasteful number, since it uses less digits than its factorization.

126788824785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207512632.

The product of its digits is 96337920, while the sum is 66.

The spelling of 126788824785 in words is "one hundred twenty-six billion, seven hundred eighty-eight million, eight hundred twenty-four thousand, seven hundred eighty-five".